Day fifteen: a rollback done right and four self-healed issues
A quiet Thursday of 163 round trips where the autopilot's lot-size change was rolled back and every hiccup resolved itself.
Thursday was a modest day on EURC-USDC. The pair wandered through a range of 117 ticks with a drift of 92 ticks downward, and only three of the twenty-four hours counted as quiet. The desk completed 163 round trips, winning 96 of them, breaking even on 17 and losing 50, for a hit rate of 58.9 percent. The median hold lasted 29.1 minutes, so most lots turned over quickly.
The machinery ran at 99.6 percent uptime and sent 736 orders, of which all but one were accepted. The guardian spotted four issues, one automatic cure handled a bug, and the AI analyst diagnosed the rest, including an exchange-side wobble and a results anomaly. All four cleared up on their own, with a median resolution of 17 minutes.
The interesting part is the autopilot's lot-size test. It went live, was measured against a control copy on the old settings, and disappointed, so it was rolled back automatically. That is the system working as designed: a bad idea costs a little measurement time, not the day. New tests on the exit and break-even timers in quiet hours are now running on paper.
The market and every trade
EURC-USDC over the day (local time); each mark is a round trip where it was sold. Hover a mark for its details.
Round trips per hour
All 163 trades
Every round trip closed on the day, in the order it was sold. A tick is 0.0001; lot sizes and amounts are left out on purpose.
| # | Bought | Sold | Buy → sell | Held | Ticks | Outcome |
|---|---|---|---|---|---|---|
| 1 | 00:46 | 01:16 | 1.1331 → 1.1332 | 30.3 min | +1 | Took profit |
| 2 | 00:54 | 01:38 | 1.1330 → 1.1332 | 44.4 min | +2 | Took profit |
| 3 | 01:20 | 02:12 | 1.1332 → 1.1330 | 51.3 min | -2 | Sold at a loss |
| 4 | 01:56 | 02:12 | 1.1326 → 1.1330 | 15.9 min | +4 | Took profit |
| 5 | 01:30 | 02:13 | 1.1331 → 1.1331 | 42.8 min | 0 | Break-even |
| 6 | 01:55 | 02:13 | 1.1327 → 1.1331 | 18.1 min | +4 | Took profit |
| 7 | 01:51 | 02:24 | 1.1330 → 1.1331 | 32.5 min | +1 | Took profit |
| 8 | 01:52 | 02:24 | 1.1329 → 1.1331 | 31.9 min | +2 | Took profit |
| 9 | 01:53 | 02:24 | 1.1328 → 1.1331 | 31.3 min | +3 | Took profit |
| 10 | 02:25 | 02:44 | 1.1331 → 1.1335 | 18.9 min | +4 | Took profit |
| 11 | 02:33 | 02:45 | 1.1332 → 1.1336 | 11.8 min | +4 | Took profit |
| 12 | 02:44 | 02:45 | 1.1330 → 1.1336 | 1 min | +6 | Took profit |
| 13 | 02:48 | 02:51 | 1.1331 → 1.1335 | 2.5 min | +4 | Took profit |
| 14 | 02:32 | 03:04 | 1.1333 → 1.1333 | 31.9 min | 0 | Break-even |
| 15 | 02:48 | 03:06 | 1.1332 → 1.1336 | 18.3 min | +4 | Took profit |
| 16 | 02:45 | 03:21 | 1.1335 → 1.1335 | 35.2 min | 0 | Break-even |
| 17 | 02:46 | 03:21 | 1.1334 → 1.1335 | 35.6 min | +1 | Took profit |
| 18 | 03:23 | 04:16 | 1.1335 → 1.1324 | 53.2 min | -11 | Sold at a loss |
| 19 | 03:34 | 04:29 | 1.1334 → 1.1324 | 55 min | -10 | Sold at a loss |
| 20 | 03:41 | 04:34 | 1.1333 → 1.1326 | 52.6 min | -7 | Sold at a loss |
| 21 | 03:45 | 04:42 | 1.1332 → 1.1326 | 56.8 min | -6 | Sold at a loss |
| 22 | 03:51 | 04:47 | 1.1331 → 1.1326 | 56.2 min | -5 | Sold at a loss |
| 23 | 03:53 | 04:47 | 1.1330 → 1.1326 | 54.7 min | -4 | Sold at a loss |
| 24 | 03:56 | 04:58 | 1.1328 → 1.1326 | 62.2 min | -2 | Sold at a loss |
| 25 | 04:17 | 04:58 | 1.1324 → 1.1326 | 40.7 min | +2 | Took profit |
| 26 | 03:55 | 04:58 | 1.1329 → 1.1326 | 62.9 min | -3 | Sold at a loss |
| 27 | 04:06 | 05:35 | 1.1326 → 1.1327 | 89.5 min | +1 | Took profit · float |
| 28 | 04:42 | 05:43 | 1.1325 → 1.1324 | 60.9 min | -1 | Sold at a loss |
| 29 | 05:43 | 05:48 | 1.1323 → 1.1325 | 4.3 min | +2 | Took profit · float |
| 30 | 05:40 | 05:54 | 1.1322 → 1.1326 | 14.1 min | +4 | Took profit |
| 31 | 04:06 | 05:56 | 1.1326 → 1.1327 | 110.1 min | +1 | Took profit · float |
| 32 | 05:40 | 05:56 | 1.1323 → 1.1327 | 15.3 min | +4 | Took profit |
| 33 | 05:39 | 06:00 | 1.1324 → 1.1328 | 20.3 min | +4 | Took profit |
| 34 | 05:55 | 06:02 | 1.1326 → 1.1330 | 6.8 min | +4 | Took profit |
| 35 | 06:21 | 06:23 | 1.1321 → 1.1322 | 2.1 min | +1 | Took profit · float |
| 36 | 06:16 | 06:28 | 1.1323 → 1.1327 | 11.2 min | +4 | Took profit |
| 37 | 06:16 | 06:28 | 1.1323 → 1.1324 | 11.2 min | +1 | Took profit · float |
| 38 | 06:30 | 06:40 | 1.1321 → 1.1325 | 10 min | +4 | Took profit |
| 39 | 06:15 | 06:47 | 1.1324 → 1.1324 | 31.9 min | 0 | Break-even |
| 40 | 05:58 | 06:50 | 1.1327 → 1.1323 | 51.8 min | -4 | Sold at a loss |
| 41 | 06:03 | 06:54 | 1.1330 → 1.1323 | 51 min | -7 | Sold at a loss |
| 42 | 06:01 | 06:54 | 1.1328 → 1.1323 | 52.7 min | -5 | Sold at a loss |
| 43 | 06:05 | 06:56 | 1.1329 → 1.1322 | 51.8 min | -7 | Sold at a loss |
| 44 | 06:12 | 07:04 | 1.1326 → 1.1318 | 51.5 min | -8 | Sold at a loss |
| 45 | 07:02 | 07:04 | 1.1318 → 1.1319 | 1.4 min | +1 | Took profit · float |
| 46 | 06:13 | 07:05 | 1.1325 → 1.1319 | 51.7 min | -6 | Sold at a loss |
| 47 | 07:00 | 07:16 | 1.1320 → 1.1321 | 16.1 min | +1 | Took profit · float |
| 48 | 07:02 | 07:16 | 1.1317 → 1.1321 | 14 min | +4 | Took profit |
| 49 | 07:00 | 07:33 | 1.1320 → 1.1320 | 32.5 min | 0 | Break-even |
| 50 | 06:42 | 07:33 | 1.1322 → 1.1320 | 50.8 min | -2 | Sold at a loss |
| 51 | 07:01 | 07:33 | 1.1319 → 1.1320 | 31.8 min | +1 | Took profit |
| 52 | 07:02 | 07:33 | 1.1318 → 1.1320 | 30.7 min | +2 | Took profit |
| 53 | 06:54 | 07:38 | 1.1321 → 1.1321 | 44 min | 0 | Break-even |
| 54 | 07:38 | 07:50 | 1.1319 → 1.1323 | 12.6 min | +4 | Took profit |
| 55 | 07:38 | 08:01 | 1.1320 → 1.1324 | 22.9 min | +4 | Took profit |
| 56 | 07:40 | 08:01 | 1.1321 → 1.1325 | 21 min | +4 | Took profit |
| 57 | 07:45 | 08:02 | 1.1322 → 1.1326 | 17 min | +4 | Took profit |
| 58 | 08:01 | 08:13 | 1.1324 → 1.1328 | 12.4 min | +4 | Took profit |
| 59 | 08:04 | 08:55 | 1.1325 → 1.1316 | 51.3 min | -9 | Sold at a loss |
| 60 | 08:40 | 08:57 | 1.1317 → 1.1318 | 17.3 min | +1 | Took profit · float |
| 61 | 09:02 | 09:02 | 1.1315 → 1.1316 | 0.7 min | +1 | Took profit · float |
| 62 | 08:15 | 09:05 | 1.1326 → 1.1318 | 50.3 min | -8 | Sold at a loss |
| 63 | 08:31 | 09:08 | 1.1320 → 1.1320 | 36.2 min | 0 | Break-even |
| 64 | 08:38 | 09:10 | 1.1319 → 1.1320 | 32.5 min | +1 | Took profit |
| 65 | 08:19 | 09:15 | 1.1324 → 1.1317 | 55.2 min | -6.9 | Sold at a loss |
| 66 | 08:21 | 09:15 | 1.1323 → 1.1317 | 53.6 min | -6 | Sold at a loss |
| 67 | 08:40 | 09:15 | 1.1318 → 1.1318 | 35.7 min | 0 | Break-even |
| 68 | 08:27 | 09:23 | 1.1321 → 1.1311 | 55.8 min | -10 | Sold at a loss |
| 69 | 08:27 | 09:23 | 1.1322 → 1.1311 | 56 min | -11 | Sold at a loss |
| 70 | 09:23 | 09:48 | 1.1308 → 1.1312 | 24.5 min | +4 | Took profit |
| 71 | 09:23 | 09:54 | 1.1309 → 1.1310 | 30.5 min | +1 | Took profit |
| 72 | 09:10 | 10:01 | 1.1319 → 1.1305 | 50.5 min | -14 | Sold at a loss |
| 73 | 09:06 | 10:03 | 1.1317 → 1.1301 | 57.7 min | -16 | Sold at a loss |
| 74 | 09:15 | 10:06 | 1.1316 → 1.1304 | 51.3 min | -12 | Sold at a loss |
| 75 | 09:17 | 10:07 | 1.1318 → 1.1304 | 50.7 min | -14 | Sold at a loss |
| 76 | 09:22 | 10:12 | 1.1314 → 1.1297 | 50.4 min | -17 | Sold at a loss |
| 77 | 09:22 | 10:13 | 1.1315 → 1.1297 | 51.6 min | -18.2 | Sold at a loss |
| 78 | 10:13 | 10:16 | 1.1296 → 1.1300 | 2.9 min | +4 | Took profit |
| 79 | 10:19 | 10:26 | 1.1299 → 1.1303 | 6.3 min | +4 | Took profit |
| 80 | 10:17 | 10:26 | 1.1300 → 1.1304 | 8.8 min | +4 | Took profit |
| 81 | 10:11 | 10:26 | 1.1302 → 1.1306 | 15 min | +4 | Took profit |
| 82 | 09:48 | 10:40 | 1.1310 → 1.1294 | 51.5 min | -16 | Sold at a loss |
| 83 | 09:54 | 10:45 | 1.1311 → 1.1293 | 50.9 min | -18 | Sold at a loss |
| 84 | 10:02 | 10:53 | 1.1304 → 1.1292 | 51 min | -12 | Sold at a loss |
| 85 | 10:05 | 10:56 | 1.1305 → 1.1294 | 50.8 min | -11 | Sold at a loss |
| 86 | 10:07 | 10:58 | 1.1303 → 1.1294 | 50.8 min | -9 | Sold at a loss |
| 87 | 11:00 | 11:02 | 1.1290 → 1.1294 | 1.8 min | +4 | Took profit |
| 88 | 11:00 | 11:04 | 1.1291 → 1.1295 | 3.4 min | +4 | Took profit |
| 89 | 10:53 | 11:04 | 1.1292 → 1.1296 | 11 min | +4 | Took profit |
| 90 | 10:47 | 11:05 | 1.1293 → 1.1297 | 18.6 min | +4 | Took profit |
| 91 | 10:40 | 11:07 | 1.1294 → 1.1298 | 26.8 min | +4 | Took profit |
| 92 | 10:31 | 11:08 | 1.1301 → 1.1301 | 37.2 min | 0 | Break-even |
| 93 | 10:32 | 11:08 | 1.1300 → 1.1300 | 36 min | 0 | Break-even |
| 94 | 11:06 | 11:10 | 1.1297 → 1.1301 | 3.6 min | +4 | Took profit |
| 95 | 11:15 | 11:19 | 1.1297 → 1.1301 | 3.5 min | +4 | Took profit |
| 96 | 10:30 | 11:19 | 1.1302 → 1.1302 | 48.4 min | 0 | Break-even |
| 97 | 11:07 | 11:19 | 1.1298 → 1.1302 | 11.5 min | +4 | Took profit |
| 98 | 11:09 | 12:12 | 1.1299 → 1.1279 | 63.1 min | -20 | Sold at a loss |
| 99 | 11:10 | 12:12 | 1.1300 → 1.1280 | 62 min | -20 | Sold at a loss |
| 100 | 11:21 | 12:12 | 1.1301 → 1.1281 | 51.1 min | -20 | Sold at a loss |
| 101 | 11:24 | 12:14 | 1.1298 → 1.1279 | 50.2 min | -19 | Sold at a loss |
| 102 | 11:24 | 12:15 | 1.1297 → 1.1280 | 50.5 min | -17 | Sold at a loss |
| 103 | 11:25 | 12:15 | 1.1296 → 1.1279 | 50.6 min | -17 | Sold at a loss |
| 104 | 11:25 | 12:15 | 1.1295 → 1.1279 | 50.2 min | -16 | Sold at a loss |
| 105 | 11:21 | 12:16 | 1.1302 → 1.1282 | 54.7 min | -20 | Sold at a loss |
| 106 | 12:17 | 12:18 | 1.1278 → 1.1282 | 1.1 min | +4 | Took profit |
| 107 | 12:13 | 12:18 | 1.1279 → 1.1283 | 4.8 min | +4 | Took profit |
| 108 | 12:15 | 12:19 | 1.1280 → 1.1284 | 3.8 min | +4 | Took profit |
| 109 | 12:19 | 12:20 | 1.1282 → 1.1286 | 0.2 min | +4 | Took profit |
| 110 | 12:19 | 12:20 | 1.1283 → 1.1287 | 1 min | +4 | Took profit |
| 111 | 12:16 | 12:20 | 1.1281 → 1.1285 | 4 min | +4 | Took profit |
| 112 | 12:22 | 12:25 | 1.1284 → 1.1288 | 2.8 min | +4 | Took profit |
| 113 | 12:22 | 12:27 | 1.1285 → 1.1289 | 5 min | +4 | Took profit |
| 114 | 12:22 | 12:28 | 1.1286 → 1.1290 | 6.7 min | +4 | Took profit |
| 115 | 12:21 | 12:30 | 1.1287 → 1.1291 | 8.6 min | +4 | Took profit |
| 116 | 12:21 | 12:31 | 1.1288 → 1.1292 | 9.8 min | +4 | Took profit |
| 117 | 12:20 | 12:32 | 1.1289 → 1.1293 | 12 min | +4 | Took profit |
| 118 | 12:30 | 12:34 | 1.1291 → 1.1295 | 4 min | +4 | Took profit |
| 119 | 12:31 | 12:34 | 1.1292 → 1.1296 | 3.2 min | +4 | Took profit |
| 120 | 12:35 | 12:36 | 1.1293 → 1.1297 | 1.2 min | +4 | Took profit |
| 121 | 12:39 | 12:42 | 1.1291 → 1.1295 | 3.1 min | +4 | Took profit |
| 122 | 12:38 | 12:43 | 1.1292 → 1.1296 | 4.5 min | +4 | Took profit |
| 123 | 12:49 | 12:52 | 1.1292 → 1.1296 | 2.6 min | +4 | Took profit |
| 124 | 12:35 | 12:52 | 1.1294 → 1.1298 | 16.7 min | +4 | Took profit |
| 125 | 12:37 | 12:52 | 1.1293 → 1.1297 | 14.4 min | +4 | Took profit |
| 126 | 12:35 | 12:54 | 1.1295 → 1.1299 | 18.6 min | +4 | Took profit |
| 127 | 12:35 | 13:02 | 1.1296 → 1.1300 | 26.7 min | +4 | Took profit |
| 128 | 13:00 | 13:02 | 1.1295 → 1.1299 | 1.9 min | +4 | Took profit |
| 129 | 13:01 | 13:02 | 1.1294 → 1.1298 | 0.5 min | +4 | Took profit |
| 130 | 12:35 | 13:02 | 1.1297 → 1.1301 | 27.2 min | +4 | Took profit |
| 131 | 12:54 | 13:03 | 1.1298 → 1.1302 | 8.8 min | +4 | Took profit |
| 132 | 13:06 | 13:11 | 1.1294 → 1.1298 | 4.8 min | +4 | Took profit |
| 133 | 13:05 | 13:11 | 1.1295 → 1.1299 | 5.9 min | +4 | Took profit |
| 134 | 13:05 | 13:40 | 1.1296 → 1.1296 | 35 min | 0 | Break-even |
| 135 | 13:05 | 13:41 | 1.1297 → 1.1297 | 36.3 min | 0 | Break-even |
| 136 | 13:14 | 13:43 | 1.1294 → 1.1298 | 29.1 min | +4 | Took profit |
| 137 | 13:04 | 13:43 | 1.1298 → 1.1298 | 38.9 min | 0 | Break-even |
| 138 | 13:13 | 13:44 | 1.1295 → 1.1297 | 31.2 min | +2 | Took profit |
| 139 | 13:02 | 13:45 | 1.1299 → 1.1299 | 42.3 min | 0 | Break-even |
| 140 | 13:02 | 13:46 | 1.1300 → 1.1300 | 44.4 min | 0 | Break-even |
| 141 | 13:44 | 13:47 | 1.1297 → 1.1301 | 3.4 min | +4 | Took profit |
| 142 | 13:03 | 13:47 | 1.1301 → 1.1301 | 44.4 min | 0 | Break-even |
| 143 | 13:47 | 13:48 | 1.1296 → 1.1302 | 0.2 min | +6 | Took profit |
| 144 | 13:43 | 13:48 | 1.1298 → 1.1302 | 4.7 min | +4 | Took profit |
| 145 | 13:45 | 13:48 | 1.1299 → 1.1303 | 2.5 min | +4 | Took profit |
| 146 | 13:47 | 13:49 | 1.1300 → 1.1304 | 2.2 min | +4 | Took profit |
| 147 | 13:48 | 13:52 | 1.1302 → 1.1306 | 3.6 min | +4 | Took profit |
| 148 | 13:50 | 13:54 | 1.1303 → 1.1307 | 4.1 min | +4 | Took profit |
| 149 | 13:50 | 13:55 | 1.1304 → 1.1308 | 4.6 min | +4 | Took profit |
| 150 | 13:53 | 13:55 | 1.1305 → 1.1309 | 2 min | +4 | Took profit |
| 151 | 13:53 | 13:56 | 1.1306 → 1.1310 | 3.8 min | +4 | Took profit |
| 152 | 13:58 | 14:04 | 1.1307 → 1.1311 | 5.6 min | +4 | Took profit |
| 153 | 14:01 | 14:04 | 1.1304 → 1.1308 | 2.5 min | +4 | Took profit |
| 154 | 13:59 | 14:04 | 1.1305 → 1.1309 | 4.3 min | +4 | Took profit |
| 155 | 13:59 | 14:04 | 1.1306 → 1.1310 | 4.7 min | +4 | Took profit |
| 156 | 13:55 | 14:46 | 1.1309 → 1.1295 | 50.8 min | -14 | Sold at a loss |
| 157 | 13:57 | 14:48 | 1.1310 → 1.1290 | 50.6 min | -20 | Sold at a loss |
| 158 | 13:57 | 14:49 | 1.1308 → 1.1289 | 51.6 min | -19 | Sold at a loss |
| 159 | 14:04 | 14:55 | 1.1307 → 1.1290 | 51.5 min | -17 | Sold at a loss |
| 160 | 14:05 | 14:56 | 1.1306 → 1.1290 | 50.6 min | -16 | Sold at a loss |
| 161 | 14:07 | 14:57 | 1.1305 → 1.1289 | 50.4 min | -16 | Sold at a loss |
| 162 | 14:08 | 15:00 | 1.1303 → 1.1289 | 51.8 min | -14 | Sold at a loss |
| 163 | 14:07 | 15:00 | 1.1304 → 1.1289 | 52.6 min | -14.7 | Sold at a loss |