Tennis · resolved market
Miami Open: Hailey Baptiste vs Liudmila Samsonova
https://tailmypicks.com/m/0x4294a9f7247f7840c81002693bdf64a453547ae51d84c74ecf2e394757b41bf3
Rebuilt .
What this market resolved to
- Winning outcome
- Hailey Baptisteof Hailey Baptiste, Liudmila Samsonova
- Resolved
- US/Eastern, the zone Polymarket writes its markets in
- Scored in
- Tennisevery record on this page is that Category’s
- Volume Polymarket published
- Polymarket published no figure
- Volume TailMyPicks’s own read summed
- $49,585
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 $49,585 — TailMyPicks’s own total, because the venue published none.
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 76 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 Tennis 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 Tennis | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Wallet | Entry | Position | Result | P/L held | Qualified picks | Win rate | vs expected | Realizable edge | Avg entry | ROI per pick | Tail Score |
| 0x237e…a5f0backed Liudmila Samsonova | 9c | 5,832$548 in | Lost — open this pick on its own page | -$547.58 | 199 | 38.2%76 W · 123 L | +7.7wins | +0.04per pick | 34cpaid | +9.9%equal weight | 54+0.03 edge/pick |
| 0x9f13…e0fdbacked Liudmila Samsonova | 46c | 2,162$995 in | Lost — open this pick on its own page | -$994.52 | 761 | 40.6%309 W · 452 L | -15.3wins | -0.02per pick | 43cpaid | -6.4%equal weight | 48-0.02 edge/pick |
| 0x8df8…59ddbacked Liudmila Samsonova | 16c | 1,995$323 in | Lost — open this pick on its own page | -$322.96 | 244 | 38.9%95 W · 149 L | -2.9wins | -0.01per pick | 40cpaid | -13.3%equal weight | 49-0.01 edge/pick |
| 0x9c3a…d09bbacked Hailey Baptiste | 54c | 1,913$1,031 in | Won — open this pick on its own page | +$881.26 | 17 | 47.1%8 W · 9 L | -1.7wins | -0.10per pick | 57cpaid | -18.8%equal weight | 45-0.04 edge/pick |
| 0x223f…2050backed Liudmila Samsonova | 31c | 1,468$456 in | Lost — open this pick on its own page | -$456.24 | 507 | 31.2%158 W · 349 L | -41.2wins | -0.08per pick | 39cpaid | -36.4%equal weight | 41-0.08 edge/pick |
| 0x972b…78babacked Liudmila Samsonova | 20c | 1,412$279 in | Lost — open this pick on its own page | -$278.78 | 2,982 | 39.1%1,167 W · 1,815 L | -109.1wins | -0.04per pick | 43cpaid | -30.2%equal weight | 46-0.04 edge/pick |
| 0x507e…beaebacked Liudmila Samsonova | 21c | 1,344$280 in | Lost — open this pick on its own page | -$280.04 | 7,018 | 43.2%3,031 W · 3,987 L | +124.9wins | +0.02per pick | 41cpaid | -9.8%equal weight | 52+0.02 edge/pick |
| 0xcd3d…e7ebbacked Liudmila Samsonova | 21c | 1,286$270 in | Lost — open this pick on its own page | -$270 | 1,130 | 27.9%315 W · 815 L | +1.6wins | 0.00per pick | 28cpaid | -11.8%equal weight | 500.00 edge/pick |
| 0x10ff…5088backed Liudmila Samsonova | 6c | 1,168$74 in | Lost — open this pick on its own page | -$74.45 | 661 | 39.3%260 W · 401 L | -5.2wins | -0.01per pick | 40cpaid | -14.8%equal weight | 49-0.01 edge/pick |
| 0x71f9…16fbbacked Hailey Baptiste | 52c | 1,018$529 in | Won — open this pick on its own page | +$488.57 | 88 | 55.7%49 W · 39 L | +4.8wins | +0.05per pick | 50cpaid | +9%equal weight | 55+0.04 edge/pick |
| 0xc480…937abacked Liudmila Samsonova | 21c | 1,005$211 in | Lost — open this pick on its own page | -$211 | 519 | 33.1%172 W · 347 L | +7.7wins | +0.01per pick | 32cpaid | +4.9%equal weight | 52+0.01 edge/pick |
| 0xef46…b0eabacked Liudmila Samsonova | 45c | 1,000$450 in | Lost — open this pick on its own page | -$450 | 394 | 38.1%150 W · 244 L | -16.4wins | -0.04per pick | 42cpaid | -11.5%equal weight | 46-0.04 edge/pick |
| 0xe7ca…a175backed Hailey Baptiste | 54c | 953.24$515 in | Won — open this pick on its own page | +$438.49 | 198 | 35.4%70 W · 128 L | +4.1wins | +0.02per pick | 33cpaid | -3.3%equal weight | 52+0.02 edge/pick |
| 0x2005…75eabacked Hailey Baptiste | 55c | 881.66$483 in | Won — open this pick on its own page | +$398.21 | 11,435 | 43.4%4,959 W · 6,476 L | +17.8wins | 0.00per pick | 43cpaid | -20.1%equal weight | 500.00 edge/pick |
| 0x5a73…e1adbacked Liudmila Samsonova | 7c | 764.57$50 in | Lost — open this pick on its own page | -$50 | 158 | 26.6%42 W · 116 L | -2.1wins | -0.01per pick | 28cpaid | -15.4%equal weight | 49-0.01 edge/pick |
| 0xcb16…96b5backed Liudmila Samsonova | 50c | 605.94$300 in | Lost — open this pick on its own page | -$300.43 | 444 | 48.9%217 W · 227 L | -13.8wins | -0.03per pick | 52cpaid | -10.1%equal weight | 47-0.03 edge/pick |
| 0x18e1…5916backed Liudmila Samsonova | 17c | 512.27$87 in | Lost — open this pick on its own page | -$87 | 132 | 51.5%68 W · 64 L | +2.5wins | +0.02per pick | 50cpaid | +3.5%equal weight | 52+0.02 edge/pick |
| 0x85d5…bbf0backed Liudmila Samsonova | 16c | 500.84$80 in | Lost — open this pick on its own page | -$79.79 | 305 | 30.8%94 W · 211 L | -9.5wins | -0.03per pick | 34cpaid | -13.8%equal weight | 47-0.03 edge/pick |
| 0xd038…8f51backed Liudmila Samsonova | 31c | 478.37$149 in | Lost — open this pick on its own page | -$149.12 | 4,288 | 40.5%1,737 W · 2,551 L | -139.3wins | -0.03per pick | 44cpaid | -20.5%equal weight | 46-0.03 edge/pick |
| 0xd6a3…9489backed Liudmila Samsonova | 26c | 416.54$107 in | Lost — open this pick on its own page | -$107.43 | 2,746 | 30.8%846 W · 1,900 L | -67.1wins | -0.02per pick | 33cpaid | -36.1%equal weight | 47-0.02 edge/pick |
| 0xa2cd…841dbacked Liudmila Samsonova | 11c | 400$44 in | Lost — open this pick on its own page | -$44 | 101 | 22.8%23 W · 78 L | +3.7wins | +0.04per pick | 19cpaid | +9.2%equal weight | 53+0.03 edge/pick |
| 0x0e1b…ecafbacked Liudmila Samsonova | 25c | 355.41$89 in | Lost — open this pick on its own page | -$89.06 | 2,523 | 39.6%1,000 W · 1,523 L | -3.1wins | 0.00per pick | 40cpaid | -13.3%equal weight | 500.00 edge/pick |
| 0x01c7…e995backed Liudmila Samsonova | 48c | 345.33$166 in | Lost — open this pick on its own page | -$165.62 | 2,462 | 38.5%948 W · 1,514 L | +93.1wins | +0.04per pick | 35cpaid | +13.9%equal weight | 54+0.04 edge/pick |
| 0x9ab0…b46abacked Liudmila Samsonova | 34c | 331.97$113 in | Lost — open this pick on its own page | -$112.78 | 237 | 35%83 W · 154 L | +0.2wins | 0.00per pick | 35cpaid | +1.2%equal weight | 500.00 edge/pick |
| 0x5f07…9d0fbacked Hailey Baptiste | 54c | 300$162 in | Won — open this pick on its own page | +$138 | 706 | 52.7%372 W · 334 L | -19.0wins | -0.03per pick | 55cpaid | -5.4%equal weight | 47-0.03 edge/pick |
| 0x1d94…9100backed Liudmila Samsonova | 13c | 299.5$40 in | Lost — open this pick on its own page | -$40.04 | 1,265 | 29.2%370 W · 895 L | -13.3wins | -0.01per pick | 30cpaid | -14.8%equal weight | 49-0.01 edge/pick |
| 0x85c3…6af2backed Liudmila Samsonova | 15c | 262.29$40 in | Lost — open this pick on its own page | -$40 | 128 | 35.2%45 W · 83 L | -8.0wins | -0.06per pick | 41cpaid | -11.7%equal weight | 44-0.05 edge/pick |
| 0x9e5c…d8e6backed Hailey Baptiste | 50c | 250$125 in | Won — open this pick on its own page | +$125 | 1,090 | 35.9%391 W · 699 L | +16.2wins | +0.01per pick | 34cpaid | -6.3%equal weight | 52+0.01 edge/pick |
| 0x08c1…7fbebacked Liudmila Samsonova | 10c | 250$25 in | Lost — open this pick on its own page | -$25 | 282 | 47.9%135 W · 147 L | -4.1wins | -0.01per pick | 49cpaid | -6.9%equal weight | 49-0.01 edge/pick |
| 0x161a…4103backed Liudmila Samsonova | 13c | 239.39$31 in | Lost — open this pick on its own page | -$31.22 | 133 | 51.9%69 W · 64 L | +2.7wins | +0.02per pick | 50cpaid | -2.7%equal weight | 52+0.02 edge/pick |
| 0x6ac5…4b6ebacked Liudmila Samsonova | 51c | 229.61$117 in | Lost — open this pick on its own page | -$116.81 | 1,809 | 43.8%793 W · 1,016 L | -2.2wins | 0.00per pick | 44cpaid | -1.8%equal weight | 500.00 edge/pick |
| 0x21b8…e260backed Liudmila Samsonova | 47c | 200$94 in | Lost — open this pick on its own page | -$94 | 59 | 33.9%20 W · 39 L | -3.6wins | -0.06per pick | 40cpaid | -18.5%equal weight | 45-0.04 edge/pick |
| 0x66b1…340fbacked Liudmila Samsonova | 50c | 200$100 in | Lost — open this pick on its own page | -$100 | 1,158 | 44.4%514 W · 644 L | +2.3wins | 0.00per pick | 44cpaid | -5.4%equal weight | 500.00 edge/pick |
| 0xa578…6702backed Hailey Baptiste | 49c | 200$98 in | Won — open this pick on its own page | +$102 | 1,588 | 47%746 W · 842 L | -24.2wins | -0.02per pick | 49cpaid | -3.9%equal weight | 48-0.02 edge/pick |
| 0x98e9…8dbebacked Hailey Baptiste | 53c | 200$106 in | Won — open this pick on its own page | +$94 | 98 | 33.7%33 W · 65 L | -7.5wins | -0.08per pick | 41cpaid | -18.5%equal weight | 43-0.06 edge/pick |
| 0xf026…8df7backed Liudmila Samsonova | 33c | 195$64 in | Lost — open this pick on its own page | -$64.32 | 373 | 42.6%159 W · 214 L | -9.9wins | -0.03per pick | 45cpaid | -18.2%equal weight | 47-0.02 edge/pick |
| 0x84f7…ade1backed Liudmila Samsonova | 47c | 172$81 in | Lost — open this pick on its own page | -$80.84 | 1,028 | 33.6%345 W · 683 L | -3.6wins | 0.00per pick | 34cpaid | -5.8%equal weight | 500.00 edge/pick |
| 0x2d6a…8addbacked Liudmila Samsonova | 48c | 146.95$71 in | Lost — open this pick on its own page | -$70.54 | 1,729 | 48.9%845 W · 884 L | +53.2wins | +0.03per pick | 46cpaid | +8.8%equal weight | 53+0.03 edge/pick |
| 0x0e41…b875backed Liudmila Samsonova | 48c | 145.83$70 in | Lost — open this pick on its own page | -$70 | 711 | 65.1%463 W · 248 L | -4.5wins | -0.01per pick | 66cpaid | -1.9%equal weight | 49-0.01 edge/pick |
| 0x21c2…6749backed Liudmila Samsonova | 36c | 145$52 in | Lost — open this pick on its own page | -$52.24 | 1,008 | 46%464 W · 544 L | -19.0wins | -0.02per pick | 48cpaid | -19.5%equal weight | 48-0.02 edge/pick |
| 0xbfd7…f0bfbacked Liudmila Samsonova | 23c | 141.45$33 in | Lost — open this pick on its own page | -$32.69 | 7,816 | 50.6%3,958 W · 3,858 L | +95.4wins | +0.01per pick | 49cpaid | -4.6%equal weight | 51+0.01 edge/pick |
| 0xf519…906bbacked Hailey Baptiste | 51c | 136.81$70 in | Won — open this pick on its own page | +$67.04 | 647 | 55.2%357 W · 290 L | -6.3wins | -0.01per pick | 56cpaid | -0.8%equal weight | 49-0.01 edge/pick |
| 0xe649…4e37backed Liudmila Samsonova | 48c | 136$65 in | Lost — open this pick on its own page | -$65.28 | 1,414 | 41.1%581 W · 833 L | -21.3wins | -0.02per pick | 43cpaid | -2.9%equal weight | 48-0.01 edge/pick |
| 0x8a3d…316cbacked Liudmila Samsonova | 52c | 114.48$60 in | Lost — open this pick on its own page | -$59.53 | 1,955 | 48%939 W · 1,016 L | +16.0wins | +0.01per pick | 47cpaid | +1.3%equal weight | 51+0.01 edge/pick |
| 0xca1a…89e5backed Hailey Baptiste | 52c | 113.42$59 in | Won — open this pick on its own page | +$54.16 | 28 | 53.6%15 W · 13 L | -0.4wins | -0.02per pick | 55cpaid | -0.9%equal weight | 49-0.01 edge/pick |
| 0xa1a9…e22ebacked Liudmila Samsonova | 49c | 107.84$53 in | Lost — open this pick on its own page | -$52.84 | 1,284 | 39.2%503 W · 781 L | -12.2wins | -0.01per pick | 40cpaid | -3.8%equal weight | 49-0.01 edge/pick |
| 0xd141…205cbacked Liudmila Samsonova | 14c | 106.68$15 in | Lost — open this pick on its own page | -$15 | 91 | 22%20 W · 71 L | -8.7wins | -0.10per pick | 32cpaid | -36%equal weight | 42-0.07 edge/pick |
| 0x89c9…9534backed Hailey Baptiste | 52c | 104$54 in | Won — open this pick on its own page | +$49.92 | 600 | 55.7%334 W · 266 L | +2.9wins | 0.00per pick | 55cpaid | +0.8%equal weight | 510.00 edge/pick |
| 0xa8eb…af00backed Hailey Baptiste | 58c | 100$58 in | Won — open this pick on its own page | +$42 | 12 | 58.3%7 W · 5 L | 0.0wins | 0.00per pick | 58cpaid | +31.7%equal weight | 500.00 edge/pick |
| 0x31ec…ab04backed Hailey Baptiste | 51c | 98.04$50 in | Won — open this pick on its own page | +$48.04 | 56 | 48.2%27 W · 29 L | +3.7wins | +0.07per pick | 42cpaid | -2.6%equal weight | 55+0.05 edge/pick |
| 0x8dec…60c2backed Hailey Baptiste | 58c | 87.3$51 in | Won — open this pick on its own page | +$36.67 | 349 | 50.4%176 W · 173 L | -2.7wins | -0.01per pick | 51cpaid | -12.2%equal weight | 49-0.01 edge/pick |
| 0xdb89…ec39backed Liudmila Samsonova | 48c | 83.33$40 in | Lost — open this pick on its own page | -$40 | 29 | 58.6%17 W · 12 L | +2.1wins | +0.07per pick | 51cpaid | +13.5%equal weight | 54+0.04 edge/pick |
| 0x70ac…0c7dbacked Liudmila Samsonova | 48c | 82.03$39 in | Lost — open this pick on its own page | -$39.27 | 2,537 | 53.6%1,361 W · 1,176 L | +61.9wins | +0.02per pick | 51cpaid | -5.7%equal weight | 53+0.02 edge/pick |
| 0xa07d…a037backed Liudmila Samsonova | 32c | 79.34$25 in | Lost — open this pick on its own page | -$25.18 | 3,270 | 13.8%450 W · 2,820 L | -549.1wins | -0.17per pick | 31cpaid | -57.4%equal weight | 31-0.17 edge/pick |
| 0x1a7f…85c3backed Hailey Baptiste | 54c | 74.07$40 in | Won — open this pick on its own page | +$34.07 | 29 | 41.4%12 W · 17 L | -2.7wins | -0.09per pick | 51cpaid | -18.3%equal weight | 44-0.05 edge/pick |
| 0x0642…8c68backed Liudmila Samsonova | 52c | 67.31$35 in | Lost — open this pick on its own page | -$35 | 643 | 58.8%378 W · 265 L | +13.4wins | +0.02per pick | 57cpaid | +2.1%equal weight | 52+0.02 edge/pick |
| 0xf18a…e4e5backed Liudmila Samsonova | 16c | 66.95$11 in | Lost — open this pick on its own page | -$10.92 | 2,343 | 51.6%1,209 W · 1,134 L | +95.2wins | +0.04per pick | 48cpaid | +0.3%equal weight | 54+0.04 edge/pick |
| 0xb4bd…6cecbacked Liudmila Samsonova | 31c | 59.94$19 in | Lost — open this pick on its own page | -$18.58 | 232 | 48.3%112 W · 120 L | -1.6wins | -0.01per pick | 49cpaid | -5.1%equal weight | 49-0.01 edge/pick |
| 0xe761…4f54backed Liudmila Samsonova | 44c | 50.3$22 in | Lost — open this pick on its own page | -$22.27 | 263 | 49.4%130 W · 133 L | -2.5wins | -0.01per pick | 50cpaid | -8.9%equal weight | 49-0.01 edge/pick |
| 0xa6be…b977backed Hailey Baptiste | 49c | 50$25 in | Won — open this pick on its own page | +$25.5 | 1,768 | 43.2%764 W · 1,004 L | +2.9wins | 0.00per pick | 43cpaid | -1.1%equal weight | 500.00 edge/pick |
| 0x4ba8…90a3backed Hailey Baptiste | 53c | 50$27 in | Won — open this pick on its own page | +$23.5 | 488 | 52.9%258 W · 230 L | +3.0wins | +0.01per pick | 52cpaid | +0.3%equal weight | 51+0.01 edge/pick |
| 0x15ee…512dbacked Liudmila Samsonova | 53c | 47$25 in | Lost — open this pick on its own page | -$24.91 | 770 | 47.9%369 W · 401 L | -19.8wins | -0.03per pick | 50cpaid | -6%equal weight | 47-0.02 edge/pick |
| 0xc9c3…079fbacked Hailey Baptiste | 52c | 45$23 in | Won — open this pick on its own page | +$21.6 | 893 | 64.4%575 W · 318 L | +12.5wins | +0.01per pick | 63cpaid | +2.5%equal weight | 52+0.01 edge/pick |
| 0xeb76…7ffebacked Liudmila Samsonova | 39c | 42$16 in | Lost — open this pick on its own page | -$16.38 | 968 | 44.4%430 W · 538 L | -1.9wins | 0.00per pick | 45cpaid | -1.6%equal weight | 500.00 edge/pick |
| 0x44b6…98b4backed Hailey Baptiste | 52c | 41.19$22 in | Won — open this pick on its own page | +$19.57 | 185 | 48.6%90 W · 95 L | -7.2wins | -0.04per pick | 53cpaid | -3.6%equal weight | 46-0.03 edge/pick |
| 0x3123…b44dbacked Liudmila Samsonova | 52c | 40$21 in | Lost — open this pick on its own page | -$20.8 | 474 | 53.2%252 W · 222 L | -2.9wins | -0.01per pick | 54cpaid | -8.4%equal weight | 49-0.01 edge/pick |
| 0x1121…6604backed Liudmila Samsonova | 53c | 38$20 in | Lost — open this pick on its own page | -$20.14 | 228 | 47.4%108 W · 120 L | -5.9wins | -0.03per pick | 50cpaid | -4.7%equal weight | 47-0.02 edge/pick |
| 0x0e0a…745dbacked Liudmila Samsonova | 53c | 38$20 in | Lost — open this pick on its own page | -$20.14 | 292 | 44.5%130 W · 162 L | -8.4wins | -0.03per pick | 47cpaid | -5.4%equal weight | 47-0.03 edge/pick |
| 0xcf02…3a63backed Liudmila Samsonova | 53c | 38$20 in | Lost — open this pick on its own page | -$20.14 | 272 | 46.3%126 W · 146 L | -3.2wins | -0.01per pick | 48cpaid | -2.6%equal weight | 49-0.01 edge/pick |
| 0x1930…691cbacked Hailey Baptiste | 54c | 27.78$15 in | Won — open this pick on its own page | +$12.78 | 142 | 43%61 W · 81 L | +5.1wins | +0.04per pick | 39cpaid | +2.7%equal weight | 53+0.03 edge/pick |
| 0xb171…7d2bbacked Hailey Baptiste | 50c | 25.24$13 in | Won — open this pick on its own page | +$12.62 | 326 | 49.1%160 W · 166 L | -18.4wins | -0.06per pick | 55cpaid | -10.6%equal weight | 44-0.05 edge/pick |
| 0x4fd3…13e8backed Hailey Baptiste | 64c | 23.38$15 in | Won — open this pick on its own page | +$8.38 | 1 | 100%1 W · 0 L | +0.4wins | +0.36per pick | 64cpaid | +55.9%equal weight | 52+0.01 edge/pick |
| 0x750d…566bbacked Liudmila Samsonova | 49c | 21$10 in | Lost — open this pick on its own page | -$10.29 | 163 | 56.4%92 W · 71 L | +8.7wins | +0.05per pick | 51cpaid | +4.9%equal weight | 55+0.05 edge/pick |
| 0x8d19…bf25backed Liudmila Samsonova | 50c | 20$10 in | Lost — open this pick on its own page | -$10 | 647 | 55%356 W · 291 L | -16.0wins | -0.02per pick | 57cpaid | -7.5%equal weight | 47-0.02 edge/pick |
| 0xf9ef…20ebbacked Hailey Baptiste | 53c | 20$11 in | Won — open this pick on its own page | +$9.4 | 1,245 | 51.9%646 W · 599 L | +9.3wins | +0.01per pick | 51cpaid | -1.6%equal weight | 51+0.01 edge/pick |
| 0x400d…e759backed Hailey Baptiste | 50c | 20$10 in | Won — open this pick on its own page | +$10 | 608 | 56.6%344 W · 264 L | +4.8wins | +0.01per pick | 56cpaid | +0.7%equal weight | 51+0.01 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 Tennis and say nothing about this market.
The rest of this event
Polymarket sells these questions together. 2 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.
- Miami Open: Hailey Baptiste vs Liudmila Samsonovathis page
- Hailey Baptiste vs. Liudmila Samsonova: Total Sets O/U 2.5Under 2.5 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.