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In backtest, copying 0x8a86…4998 beat the leader at a 5-minute delay

Sports 0x8a8685a792c184e5c2ee8c7d4d4baba7c2c94998 Profile on Polymarket

A copier who mirrored 0x8a86…4998's 495 buys across 222 markets with a 5-minute delay and $100 per trade would have made +$3,168 — more than the leader's +$1,305 at the same size, so the copier kept all of the leader's returns and more (242.8%). That happens when prices keep moving the leader's way after they buy and a later entry ends up cheaper: the delay helped by +$2,782, slippage $20.51 and fees $898.07. A small sample can flip this, so compare the other delays and the trades below. In the backtest, this simulated copy would have tied up to $2,885 at once across 365 positions.

Copy delay

Each time the trader buys, the simulation copies this much. Not a total budget.

Key numbers

Follower PnL
+$3,168
Incl. estimates +$961.61
Max drawdown −$3,188
ROI +10.3% on total cost
Returns kept
100%+ (Exactly 242.8%: the simulated copy did better than the leader)
Leader, same size +$1,305
beat the leader · 242.8%
Peak capital in use
$2,885
Incl. estimates $3,300
495 copied buys · $30,796 total cost
Fill rate
57%
Incl. estimates 100%
282 filled · 83 partial · 130 no buyers
Backtest score
89/100
495 buys · 222 markets

The headline numbers only count what real trades in the 10 minutes after the delay prove. “Including estimates” also counts the unproven part of a buy when order-book or trading-volume evidence says it was fillable, at an estimated price. Treat it as an upper view, not a promise. 213 estimated: 75 high · 137 medium · 1 low How we estimate

Cumulative PnL across all copied positions

X axis
Max drawdown −$3.2k

Final values: 0 min: +$532.83; 1 min: +$1,516; 5 min: +$3,168; 30 min: −$3,100. Max drawdown −$3,188 (5 min, Oct 12). Hover or use the arrow keys to read values.

Chart data by day
Day (UTC)0 min1 min5 min30 min
Sep 21−$164.72−$151.55−$116.00−$207.51
Sep 22−$319.42−$300.08−$218.30−$238.25
Sep 23−$485.53−$466.14−$332.08−$238.25
Sep 24−$695.76−$579.97−$334.13−$386.36
Sep 25−$411.64−$343.12−$142.26−$58.83
Sep 26−$367.20−$204.56−$6.18−$413.83
Sep 27−$716.36−$343.33−$41.45−$1,313
Sep 28−$2,139−$1,714−$1,459−$3,259
Sep 29−$2,012−$1,601−$1,560−$3,362
Sep 30−$2,083−$1,674−$1,614−$3,442
Oct 1−$2,548−$2,148−$1,844−$3,697
Oct 2−$2,578−$2,100−$1,666−$3,699
Oct 3−$3,392−$2,730−$2,313−$4,897
Oct 4−$3,223−$2,572−$2,151−$5,200
Oct 5−$3,223−$2,572−$2,151−$5,200
Oct 6−$3,323−$2,678−$2,325−$5,015
Oct 7−$3,025−$2,382−$2,332−$5,356
Oct 8−$2,794−$2,174−$2,051−$5,033
Oct 9−$2,913−$2,269−$2,054−$5,033
Oct 10−$3,329−$2,681−$2,425−$5,198
Oct 11−$3,318−$2,679−$2,427−$5,297
Oct 12−$4,204−$3,498−$2,897−$5,735
Oct 13−$3,156−$2,440−$1,789−$4,651
Oct 14−$3,397−$2,681−$2,016−$4,667
Oct 15−$2,799−$2,095−$1,458−$3,941
Oct 16−$2,378−$1,543−$987.17−$3,548
Oct 17−$2,695−$1,960−$1,329−$3,768
Oct 18−$2,360−$1,483−$824.53−$3,390
Oct 19−$2,360−$1,483−$824.53−$3,390
Oct 20−$2,243−$1,376−$726.17−$3,344
Oct 21−$2,081−$1,306−$820.52−$3,410
Oct 22−$2,004−$1,185−$831.60−$3,600
Oct 23−$1,413−$587.75−$328.86−$3,177
Oct 24−$1,034+$43.44+$424.97−$3,388
Oct 25+$532.83+$1,516+$3,168−$3,100

Every delay side by side

DelayFollower PnLKeptFilled
0 min+$532.8340.8%61%
1 min+$1,516100%+ (Exactly 116.2%: the simulated copy did better than the leader)60%
5 min (selected)+$3,168100%+ (Exactly 242.8%: the simulated copy did better than the leader)57%
30 min−$3,100−238%49%

Where the returns go

  1. Leader PnL at your size+$1,305
  2. Delay helped+$2,782
  3. Slippage−$20.51
  4. Fees (buys $846.19 · sells $51.88)−$898.07
  5. Follower PnL+$3,168

Leader PnL is scaled to your per-trade size. Delay cost is the price move between the leader's fill and yours; slippage is walking the book to fill your size; fees use the 2026 fee schedule. Methodology.

By category

CategoryTradesFollower PnLROI
Sports495+$3,168+10.3%

Data version 12078 · computed Oct 26, 2026 · 1 unsettled positions marked at the last traded price.

Trades

Each leader buy and the copy we simulated at the selected delay. Open “Details” to see the market fills behind the copy price.

How fills are simulated: a copy can only fill against real taker buys of the same outcome within 10 minutes after the delay, so the headline numbers are conservative. Fill basis adds a second opinion: where no trade proved a fill, order-book or volume evidence may say the size was still fillable (an estimate, never in the headline). Methodology.

Filled whole order · Partial (NN%) part of it · No buyers nobody bought in the window — not counted · Data not in yet too recent to evaluate

Show
Order
Date Market Leader price Copy price Fill Fill basis Follower PnL Details
Trades load from the live API when this section is visible.
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More Sports traders

See the full Sports copyability board, read the methodology, or learn how slippage and fees eat into copied returns.

This is a simulation built from historical on-chain fills; it is not a record of real copy trades. Past results don't predict future results. Only the wallet address and its public Polymarket name are shown.