Copiumslots

Hold Your Hatplayed on 4 casinos we readofficial RTP 94.00%–96.00%

Compare

Observed RTP vs officialpaid ÷ wagered over the sampled bets, with a 95% band

24h

28.34%±19.5

196 bets—

66.19%±23.6

668 bets—

30d

78.72%±27.4

777 bets—

90d

78.72%±27.4

777 bets—

All

78.72%±27.4

777 bets—

Per casino, 30d

Rainbet

675 bets · below min

Roobet

102 bets · below min

35.0%78.3%121.5%

The marker is the RTP each casino publishes for this game. An amber bar means that figure is outside the 95% band of what we observed there; grey bars are below the minimum sample.

This gameall sampled bets

Bets: 1,274
Wagered: $21K
Paid: $24.2K
Max multiplier: 389.2x
Max payout: $957

too earlyNot enough bets over 30d to compare with the official RTP yet. Every spin is independent.

Official RTPas published by each casino

Rainbetrainbet:games.payout96.00%

Razedrazed:game.rtp96.00%

Whale.iowhale:game.rtp94.00%

Multiplier distribution30d, sampled bets

777 sampled spins, 28% of them paid something.

7 spins: paid 10x+, too few to put a 1-in-N figure on
0 spins: paid 100x+ in this sample
0 spins: paid 1000x+ in this sample

0-1

1-2

2-5

5-10

10-50

50-100

100-1000

1000+

Observed swings: Compared once a slot has 20,000 sampled spins staked $0.10 or more in this window; this one has 777.

From 777 sampled spins; a small sample swings a lot, and every spin is independent. Bar height is square-root scaled so the rare high buckets stay visible. Hover a bar for the count.

Where it is played30d, share of sampled wagering

Roobet$3,684102 bets · 70%

Rainbet$1,563675 bets · 30%

When players play30d · sampled bets by UTC hour and weekday, since 2 Nov 2026

MonTueWedThuFriSatSun

by hour

Busiest hour: Wed 14:00–15:00 UTC with 45 bets; busiest time of day: 06:00–07:00 UTC; busiest day: Wed. Observed on the public feeds we read, a sample: when people were seen playing, not when anyone should. Hours are UTC.

Biggest hitslargest payouts we saw on this game

CopiumHold Your HatJon******$1.001 USD$389edge 4.0% · exp. −$0.04389.2x7d

CopiumHold Your HatJon******$1.001 USD$109edge 4.0% · exp. −$0.04109.5x7d

CopiumHold Your HatJon******$1.001 USD$102edge 4.0% · exp. −$0.04101.9x7d

CopiumHold Your HatYfa*****$0.400.4 USD$43.64edge 4.0% · exp. −$0.02109.1x7d

Live RTP by casino30d, refreshes on reload

#	Casino	Observed RTP	Official	Dev.	Bets	Wagered
1	Rainbet	66.87%±31.2	96.00%	—	675 bets · below min	$1,563
2	Roobet	83.75%±37.1	—	—	102 bets · below min	$3,684

About Copiumfrom the figures on this page

Copium is a Hold Your Hat slot. Over the last 30 days we observed 1,274 bets on it at 4 casinos, too few to measure its RTP over 30 days; the official RTP is 94.00%–96.00%. Its highest multiplier in the last 30 days was 389.2x. The biggest win we saw on it paid $389 (389.2x) at Razed on 3 Nov 2026. Over the last 30 days it was played most, by wager, at Roobet and Rainbet.