WNBA · resolved market
Washington Mystics vs. Golden State Valkyries: O/U 145.5
https://tailmypicks.com/m/0xc64ce8b8a0ffc101a595b685adeacd6d15224aea520ee54b9a1d33cbe25d7037
Rebuilt .
What this market resolved to
- Winning outcome
- Underof Over, Under
- Resolved
- US/Eastern, the zone Polymarket writes its markets in
- Scored in
- WNBAevery record on this page is that Category’s
- Volume Polymarket published
- $48,242
- Volume TailMyPicks’s own read summed
- $52,260
Both are shown because TailMyPicks only trusts a market it can reconcile: it reads every trade itself and compares its own total against the venue’s before scoring anything. The threshold below was applied to $48,242 — the venue’s figure.
Every figure here describes what TailMyPicks scored — positions held to resolution in markets that cleared the thresholds below. It is not a Polymarket account balance, and open positions are not counted anywhere on this site.
Who was on this market
All 81 wallets that hold a qualified pick on this market, biggest position first. Ordered by position size rather than by score, because this is a post-mortem of one market — a strong wallet’s small pick does not belong above a large committed one. Each wallet’s record in WNBA is on its own row, so one correct call here is not mistaken for a track record.
| On this market | This wallet’s whole record in WNBA | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Wallet | Entry | Position | Result | P/L held | Qualified picks | Win rate | vs expected | Realizable edge | Avg entry | ROI per pick | Tail Score |
| 0xe907…cff6backed Over | 63c | 14,734$9,348 in | Lost — open this pick on its own page | -$9,348.3 | 641 | 52%333 W · 308 L | +6.1wins | +0.01per pick | 51cpaid | +1.6%equal weight | 51+0.01 edge/pick |
| 0xb4d2…ce99backed Under | 39c | 4,280$1,681 in | Won — open this pick on its own page | +$2,598.67 | 310 | 43.2%134 W · 176 L | +6.6wins | +0.02per pick | 41cpaid | -10.9%equal weight | 52+0.02 edge/pick |
| 0xf7f0…912cbacked Under | 41c | 4,261$1,750 in | Won — open this pick on its own page | +$2,511.46 | 922 | 48.8%450 W · 472 L | +9.3wins | +0.01per pick | 48cpaid | +1.2%equal weight | 51+0.01 edge/pick |
| 0xefde…6505backed Under | 39c | 2,466$955 in | Won — open this pick on its own page | +$1,511.25 | 179 | 46.9%84 W · 95 L | -1.3wins | -0.01per pick | 48cpaid | -4.9%equal weight | 49-0.01 edge/pick |
| 0xafe4…f3f7backed Over | 58c | 2,338$1,365 in | Lost — open this pick on its own page | -$1,365.36 | 274 | 49.6%136 W · 138 L | +9.3wins | +0.03per pick | 46cpaid | +5.8%equal weight | 53+0.03 edge/pick |
| 0x1d08…2142backed Under | 79c | 1,722$1,368 in | Won — open this pick on its own page | +$353.68 | 60 | 66.7%40 W · 20 L | -1.3wins | -0.02per pick | 69cpaid | -6%equal weight | 48-0.01 edge/pick |
| 0xfe78…0319backed Over | 51c | 1,682$858 in | Lost — open this pick on its own page | -$857.81 | 995 | 48.1%479 W · 516 L | +2.0wins | 0.00per pick | 48cpaid | -2.5%equal weight | 500.00 edge/pick |
| 0x270c…f66fbacked Over | 4c | 1,600$60 in | Lost — open this pick on its own page | -$60 | 6 | 0%0 W · 6 L | -0.2wins | -0.03per pick | 3cpaid | -100%equal weight | 49-0.01 edge/pick |
| 0x161a…4103backed Under | 49c | 1,427$700 in | Won — open this pick on its own page | +$727.49 | 552 | 55.1%304 W · 248 L | +25.1wins | +0.05per pick | 51cpaid | +8%equal weight | 55+0.04 edge/pick |
| 0x90d4…2deebacked Under | 22c | 1,391$313 in | Won — open this pick on its own page | +$1,078.35 | 8 | 25%2 W · 6 L | +0.8wins | +0.10per pick | 15cpaid | +25.8%equal weight | 53+0.02 edge/pick |
| 0xdc8f…d0e4backed Under | 22c | 1,203$264 in | Won — open this pick on its own page | +$938.66 | 15 | 26.7%4 W · 11 L | +0.9wins | +0.06per pick | 21cpaid | +22.4%equal weight | 53+0.02 edge/pick |
| 0xe1e3…f1bdbacked Under | 43c | 1,098$472 in | Won — open this pick on its own page | +$625.83 | 58 | 31%18 W · 40 L | -7.5wins | -0.13per pick | 44cpaid | -30.4%equal weight | 40-0.09 edge/pick |
| 0x32e0…a295backed Over | 65c | 1,082$700 in | Lost — open this pick on its own page | -$700 | 100 | 59%59 W · 41 L | -2.0wins | -0.02per pick | 61cpaid | -3.2%equal weight | 48-0.02 edge/pick |
| 0x6027…4320backed Under | 40c | 728.89$292 in | Won — open this pick on its own page | +$437.33 | 296 | 54.4%161 W · 135 L | +11.5wins | +0.04per pick | 51cpaid | +6.3%equal weight | 54+0.04 edge/pick |
| 0x204f…5e14backed Under | 50c | 696.47$349 in | Won — open this pick on its own page | +$347.01 | 1,611 | 50.2%809 W · 802 L | +37.9wins | +0.02per pick | 48cpaid | -6.9%equal weight | 53+0.02 edge/pick |
| 0x5659…7a6bbacked Under | 41c | 656.6$270 in | Won — open this pick on its own page | +$386.87 | 307 | 34.2%105 W · 202 L | -28.2wins | -0.09per pick | 43cpaid | -23.6%equal weight | 41-0.09 edge/pick |
| 0xecdb…c4c7backed Under | 42c | 608.02$252 in | Won — open this pick on its own page | +$355.68 | 45 | 46.7%21 W · 24 L | +0.4wins | +0.01per pick | 46cpaid | -8.7%equal weight | 51+0.01 edge/pick |
| 0xf3a9…b216backed Over | 5c | 600$30 in | Lost — open this pick on its own page | -$30 | 2 | 0%0 W · 2 L | -0.1wins | -0.06per pick | 6cpaid | -100%equal weight | 500.00 edge/pick |
| 0xddd4…1fabbacked Over | 5c | 600$30 in | Lost — open this pick on its own page | -$30 | 3 | 0%0 W · 3 L | -0.2wins | -0.05per pick | 5cpaid | -100%equal weight | 49-0.01 edge/pick |
| 0xfc11…4b4abacked Over | 5c | 600$30 in | Lost — open this pick on its own page | -$30 | 7 | 0%0 W · 7 L | -0.2wins | -0.02per pick | 2cpaid | -100%equal weight | 49-0.01 edge/pick |
| 0x4a6d…33e2backed Over | 5c | 600$30 in | Lost — open this pick on its own page | -$30 | 3 | 0%0 W · 3 L | -0.1wins | -0.04per pick | 4cpaid | -100%equal weight | 500.00 edge/pick |
| 0x2688…9197backed Over | 59c | 551.53$323 in | Lost — open this pick on its own page | -$322.74 | 30 | 46.7%14 W · 16 L | -0.7wins | -0.02per pick | 49cpaid | +4.9%equal weight | 49-0.01 edge/pick |
| 0xca1a…8d22backed Over | 20c | 540$110 in | Lost — open this pick on its own page | -$110.4 | 1 | 0%0 W · 1 L | -0.2wins | -0.20per pick | 20cpaid | -100%equal weight | 49-0.01 edge/pick |
| 0x7e59…7b8bbacked Under | 37c | 528.45$195 in | Won — open this pick on its own page | +$333.21 | 157 | 41.4%65 W · 92 L | +2.6wins | +0.02per pick | 40cpaid | -14.8%equal weight | 52+0.01 edge/pick |
| 0xc291…5d74backed Under | 42c | 506.32$213 in | Won — open this pick on its own page | +$293.67 | 749 | 42.3%317 W · 432 L | -21.7wins | -0.03per pick | 45cpaid | -11.1%equal weight | 47-0.03 edge/pick |
| 0x17d7…9e1ebacked Under | 48c | 467.72$224 in | Won — open this pick on its own page | +$243.31 | 126 | 50.8%64 W · 62 L | -1.5wins | -0.01per pick | 52cpaid | -3%equal weight | 49-0.01 edge/pick |
| 0xd6a8…58fdbacked Under | 39c | 413.21$161 in | Won — open this pick on its own page | +$251.97 | 35 | 31.4%11 W · 24 L | -0.8wins | -0.02per pick | 34cpaid | -25.4%equal weight | 48-0.01 edge/pick |
| 0x30a0…a458backed Under | 23c | 400$92 in | Won — open this pick on its own page | +$308 | 14 | 57.1%8 W · 6 L | +3.7wins | +0.26per pick | 31cpaid | +92.5%equal weight | 61+0.09 edge/pick |
| 0x95f5…779fbacked Over | 56c | 375.75$210 in | Lost — open this pick on its own page | -$209.51 | 132 | 56.8%75 W · 57 L | +5.8wins | +0.04per pick | 52cpaid | -6.2%equal weight | 54+0.04 edge/pick |
| 0xfb8b…da36backed Over | 19c | 351.53$67 in | Lost — open this pick on its own page | -$66.79 | 10 | 60%6 W · 4 L | +1.6wins | +0.16per pick | 44cpaid | +33.8%equal weight | 55+0.05 edge/pick |
| 0xc2f2…0ff7backed Under | 19c | 319.51$61 in | Won — open this pick on its own page | +$258.8 | 12 | 41.7%5 W · 7 L | +2.3wins | +0.19per pick | 22cpaid | +57.9%equal weight | 57+0.06 edge/pick |
| 0x1378…dbd2backed Over | 49c | 257.9$127 in | Lost — open this pick on its own page | -$126.66 | 19 | 36.8%7 W · 12 L | -3.2wins | -0.17per pick | 54cpaid | -30.1%equal weight | 42-0.07 edge/pick |
| 0x8afa…28f0backed Under | 41c | 235.7$97 in | Won — open this pick on its own page | +$139.1 | 188 | 50%94 W · 94 L | +3.0wins | +0.02per pick | 48cpaid | +4.2%equal weight | 52+0.01 edge/pick |
| 0x066f…b576backed Under | 47c | 234.06$110 in | Won — open this pick on its own page | +$124.05 | 712 | 45.4%323 W · 389 L | -19.6wins | -0.03per pick | 48cpaid | -5.6%equal weight | 47-0.03 edge/pick |
| 0xdbdd…a5debacked Under | 47c | 233.97$111 in | Won — open this pick on its own page | +$122.93 | 509 | 52.5%267 W · 242 L | +17.4wins | +0.03per pick | 49cpaid | +3.6%equal weight | 54+0.03 edge/pick |
| 0x629d…756cbacked Under | 64c | 224$144 in | Won — open this pick on its own page | +$79.64 | 314 | 48.4%152 W · 162 L | 0.0wins | 0.00per pick | 48cpaid | -12.5%equal weight | 500.00 edge/pick |
| 0x98e8…eebfbacked Over | 19c | 205.68$39 in | Lost — open this pick on its own page | -$39.08 | 11 | 54.5%6 W · 5 L | +1.2wins | +0.11per pick | 44cpaid | +10.9%equal weight | 54+0.03 edge/pick |
| 0xa38a…821dbacked Over | 30c | 191$57 in | Lost — open this pick on its own page | -$56.95 | 367 | 50.7%186 W · 181 L | +15.2wins | +0.04per pick | 47cpaid | -5.9%equal weight | 54+0.04 edge/pick |
| 0x99bc…4f35backed Over | 20c | 172.2$34 in | Lost — open this pick on its own page | -$34.11 | 122 | 16.4%20 W · 102 L | -4.2wins | -0.03per pick | 20cpaid | -34.4%equal weight | 47-0.03 edge/pick |
| 0x5929…4684backed Over | 33c | 158.72$53 in | Lost — open this pick on its own page | -$52.7 | 610 | 42.5%259 W · 351 L | -31.0wins | -0.05per pick | 48cpaid | -16.5%equal weight | 45-0.05 edge/pick |
| 0xa9f5…937fbacked Under | 35c | 146$51 in | Won — open this pick on its own page | +$94.9 | 248 | 52.4%130 W · 118 L | +10.9wins | +0.04per pick | 48cpaid | -4%equal weight | 54+0.04 edge/pick |
| 0x0fde…0258backed Under | 40c | 134.38$54 in | Won — open this pick on its own page | +$80.63 | 245 | 46.9%115 W · 130 L | +1.1wins | 0.00per pick | 46cpaid | +0.1%equal weight | 500.00 edge/pick |
| 0xd218…b5c9backed Over | 45c | 125.04$56 in | Lost — open this pick on its own page | -$55.65 | 347 | 26.5%92 W · 255 L | -20.7wins | -0.06per pick | 32cpaid | -39.4%equal weight | 44-0.06 edge/pick |
| 0x9cb4…8285backed Under | 45c | 118.66$53 in | Won — open this pick on its own page | +$65.26 | 143 | 45.5%65 W · 78 L | -3.5wins | -0.02per pick | 48cpaid | -7.6%equal weight | 48-0.02 edge/pick |
| 0x5fb3…88c1backed Over | 62c | 105$65 in | Lost — open this pick on its own page | -$64.9 | 173 | 50.3%87 W · 86 L | -8.7wins | -0.05per pick | 55cpaid | -11%equal weight | 45-0.04 edge/pick |
| 0xc7d0…1f8abacked Under | 31c | 104$32 in | Won — open this pick on its own page | +$71.71 | 281 | 40.6%114 W · 167 L | -1.1wins | 0.00per pick | 41cpaid | -11.2%equal weight | 500.00 edge/pick |
| 0x18a4…3a31backed Under | 79c | 101.27$80 in | Won — open this pick on its own page | +$21.27 | 176 | 56.8%100 W · 76 L | +12.1wins | +0.07per pick | 50cpaid | +0.7%equal weight | 57+0.06 edge/pick |
| 0x2d18…2365backed Over | 58c | 100$58 in | Lost — open this pick on its own page | -$58 | 84 | 42.9%36 W · 48 L | -10.7wins | -0.13per pick | 56cpaid | -25.8%equal weight | 39-0.10 edge/pick |
| 0xddb6…b9b3backed Under | 62c | 93.19$58 in | Won — open this pick on its own page | +$35.43 | 364 | 54.1%197 W · 167 L | +15.8wins | +0.04per pick | 50cpaid | 0%equal weight | 55+0.04 edge/pick |
| 0x67af…61eebacked Under | 40c | 82$33 in | Won — open this pick on its own page | +$49.29 | 347 | 53.9%187 W · 160 L | +20.0wins | +0.06per pick | 48cpaid | +0.1%equal weight | 56+0.05 edge/pick |
| 0x5210…bd53backed Under | 44c | 81.96$36 in | Won — open this pick on its own page | +$45.9 | 615 | 47%289 W · 326 L | -19.0wins | -0.03per pick | 50cpaid | -8.2%equal weight | 47-0.03 edge/pick |
| 0xfd3b…8f52backed Over | 74c | 67.57$50 in | Lost — open this pick on its own page | -$50 | 24 | 37.5%9 W · 15 L | -4.0wins | -0.17per pick | 54cpaid | -37.4%equal weight | 41-0.08 edge/pick |
| 0xdb83…1e50backed Under | 42c | 64.4$27 in | Won — open this pick on its own page | +$37.35 | 893 | 49.4%441 W · 452 L | +5.1wins | +0.01per pick | 49cpaid | -0.6%equal weight | 51+0.01 edge/pick |
| 0x52d9…fb1abacked Under | 41c | 61$25 in | Won — open this pick on its own page | +$35.99 | 411 | 45.7%188 W · 223 L | -7.9wins | -0.02per pick | 48cpaid | -5.5%equal weight | 48-0.02 edge/pick |
| 0xaa61…7f3bbacked Over | 58c | 60$35 in | Lost — open this pick on its own page | -$34.8 | 285 | 58.6%167 W · 118 L | +20.0wins | +0.07per pick | 52cpaid | +12.8%equal weight | 57+0.06 edge/pick |
| 0x224a…a3d5backed Under | 50c | 59.7$30 in | Won — open this pick on its own page | +$29.66 | 785 | 48.8%383 W · 402 L | +6.9wins | +0.01per pick | 48cpaid | -1.3%equal weight | 51+0.01 edge/pick |
| 0x273d…fb63backed Under | 42c | 58$24 in | Won — open this pick on its own page | +$33.64 | 19 | 52.6%10 W · 9 L | -0.3wins | -0.01per pick | 54cpaid | -9.5%equal weight | 49-0.01 edge/pick |
| 0x5116…83adbacked Under | 42c | 57.5$24 in | Won — open this pick on its own page | +$33.35 | 45 | 60%27 W · 18 L | +5.0wins | +0.11per pick | 49cpaid | +18.4%equal weight | 58+0.07 edge/pick |
| 0xb0f0…0f4cbacked Under | 24c | 55.27$13 in | Won — open this pick on its own page | +$41.77 | 4 | 25%1 W · 3 L | +0.6wins | +0.15per pick | 10cpaid | +2.4%equal weight | 52+0.02 edge/pick |
| 0xda77…683fbacked Under | 36c | 53.9$19 in | Won — open this pick on its own page | +$34.54 | 376 | 50.3%189 W · 187 L | +8.6wins | +0.02per pick | 48cpaid | -12.8%equal weight | 52+0.02 edge/pick |
| 0xbe0c…c0cdbacked Over | 58c | 51.72$30 in | Lost — open this pick on its own page | -$30 | 51 | 56.9%29 W · 22 L | +2.7wins | +0.05per pick | 52cpaid | +17.4%equal weight | 54+0.04 edge/pick |
| 0xa5bd…226cbacked Over | 21c | 50$11 in | Lost — open this pick on its own page | -$10.5 | 17 | 47.1%8 W · 9 L | +1.0wins | +0.06per pick | 41cpaid | +1.1%equal weight | 53+0.02 edge/pick |
| 0xa3d1…de26backed Under | 49c | 48.98$24 in | Won — open this pick on its own page | +$24.98 | 31 | 51.6%16 W · 15 L | -1.3wins | -0.04per pick | 56cpaid | -9%equal weight | 47-0.02 edge/pick |
| 0xdd5e…9040backed Under | 39c | 46$18 in | Won — open this pick on its own page | +$28.06 | 243 | 47.7%116 W · 127 L | -5.1wins | -0.02per pick | 50cpaid | -5.1%equal weight | 48-0.02 edge/pick |
| 0x0a62…5247backed Under | 40c | 45$18 in | Won — open this pick on its own page | +$26.85 | 21 | 38.1%8 W · 13 L | -2.2wins | -0.10per pick | 48cpaid | -22.9%equal weight | 45-0.05 edge/pick |
| 0x0eaf…1f76backed Under | 67c | 44.78$30 in | Won — open this pick on its own page | +$14.78 | 57 | 73.7%42 W · 15 L | +8.9wins | +0.16per pick | 58cpaid | +24%equal weight | 62+0.11 edge/pick |
| 0xe733…f6c9backed Under | 45c | 44.04$20 in | Won — open this pick on its own page | +$24.04 | 14 | 50%7 W · 7 L | +0.4wins | +0.03per pick | 47cpaid | +3.5%equal weight | 51+0.01 edge/pick |
| 0x945a…a48cbacked Over | 51c | 40.14$21 in | Lost — open this pick on its own page | -$20.64 | 64 | 1.6%1 W · 63 L | -26.1wins | -0.41per pick | 42cpaid | -97.6%equal weight | 17-0.29 edge/pick |
| 0x074c…771cbacked Over | 58c | 40.09$23 in | Lost — open this pick on its own page | -$23.35 | 15 | 60%9 W · 6 L | +0.3wins | +0.02per pick | 58cpaid | -0.2%equal weight | 51+0.01 edge/pick |
| 0x5268…135dbacked Under | 44c | 39.18$17 in | Won — open this pick on its own page | +$21.91 | 1,765 | 51.7%912 W · 853 L | +53.4wins | +0.03per pick | 49cpaid | +5%equal weight | 53+0.03 edge/pick |
| 0x7f3d…95b1backed Under | 39c | 38.46$15 in | Won — open this pick on its own page | +$23.46 | 60 | 30%18 W · 42 L | -6.1wins | -0.10per pick | 40cpaid | -34.6%equal weight | 42-0.07 edge/pick |
| 0x2892…e9d7backed Under | 42c | 37.5$16 in | Won — open this pick on its own page | +$21.75 | 260 | 54.6%142 W · 118 L | +9.0wins | +0.03per pick | 51cpaid | +6.4%equal weight | 54+0.03 edge/pick |
| 0xbff7…554fbacked Under | 36c | 33.38$12 in | Won — open this pick on its own page | +$21.27 | 21 | 66.7%14 W · 7 L | +1.4wins | +0.07per pick | 60cpaid | +11.8%equal weight | 53+0.03 edge/pick |
| 0xaa81…aaf7backed Under | 36c | 33.33$12 in | Won — open this pick on its own page | +$21.33 | 52 | 36.5%19 W · 33 L | -3.6wins | -0.07per pick | 43cpaid | -11.9%equal weight | 45-0.05 edge/pick |
| 0xd1ed…d7cbbacked Over | 69c | 27.97$19 in | Lost — open this pick on its own page | -$19.31 | 261 | 47.1%123 W · 138 L | +15.7wins | +0.06per pick | 41cpaid | -8.2%equal weight | 56+0.05 edge/pick |
| 0xc547…c570backed Over | 41c | 25.61$10 in | Lost — open this pick on its own page | -$10.5 | 131 | 38.9%51 W · 80 L | -2.9wins | -0.02per pick | 41cpaid | -4.9%equal weight | 48-0.02 edge/pick |
| 0xa032…2090backed Over | 54c | 25$14 in | Lost — open this pick on its own page | -$13.5 | 224 | 46%103 W · 121 L | -9.6wins | -0.04per pick | 50cpaid | -8.9%equal weight | 46-0.04 edge/pick |
| 0x5d63…9075backed Over | 54c | 21.8$12 in | Lost — open this pick on its own page | -$11.72 | 246 | 56.5%139 W · 107 L | +6.6wins | +0.03per pick | 54cpaid | +0.2%equal weight | 53+0.02 edge/pick |
| 0x2995…8410backed Over | 72c | 18.67$13 in | Lost — open this pick on its own page | -$13.47 | 1 | 0%0 W · 1 L | -0.7wins | -0.72per pick | 72cpaid | -100%equal weight | 47-0.03 edge/pick |
| 0x4713…4d21backed Over | 64c | 18$11 in | Lost — open this pick on its own page | -$11.43 | 214 | 46.3%99 W · 115 L | +1.7wins | +0.01per pick | 45cpaid | -14.7%equal weight | 51+0.01 edge/pick |
| 0xfd3e…5a7abacked Over | 70c | 15.43$11 in | Lost — open this pick on its own page | -$10.77 | 53 | 62.3%33 W · 20 L | +4.7wins | +0.09per pick | 53cpaid | +13.5%equal weight | 57+0.06 edge/pick |
Entry is the average price this wallet paid on the side it backed, so being right at 20c is distinguishable from being right at 95c. Position is what it was left holding in shares, with what it spent underneath. Result opens that one pick on a page of its own, which is the link to send somebody. P/L held is what that position would have been worth held to resolution — not cash the wallet withdrew, because selling early is still a correct forecast. The seven columns on the right describe the wallet’s whole record in WNBA and say nothing about this market.
The rest of this event
Polymarket sells these questions together. 8 in all. TailMyPicks has no name for an event — the venue publishes an identifier and no title — so they are listed by their own questions.
- Washington Mystics vs. Golden State Valkyries: O/U 145.5this page
- Spread: Golden State Valkyries (-8.5)Washington Mystics won
- Spread: Golden State Valkyries (-9.5)Washington Mystics won
- Washington Mystics vs. Golden State ValkyriesGolden State Valkyries won
- Washington Mystics vs. Golden State Valkyries: O/U 146.5Under won
- Washington Mystics vs. Golden State Valkyries: O/U 147.5Under won
- Washington Mystics vs. Golden State Valkyries: O/U 148.5Under won
- Washington Mystics vs. Golden State Valkyries: O/U 149.5Under won
Not every trade counts. A Pick has to clear four thresholds to be scored.
TailMyPicks scores a wallet on what it can actually be judged on: positions held to resolution, in markets with enough volume to be real, at prices where being right was not already priced in.
- The market traded at least $500.
- The entry price was between 0.00 and 0.80 — a near-certainty is not a call.
- The position was at least $10 — dust is not a position.
- The market has resolved, so there is a right answer to grade against.
Thresholds behind these numbers: set by an operator decision, not measured.