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·28 markets trackedA copy trade bot for prediction markets.
The bot scans Polymarket and Kalshi, finds the mispriced side, and places the trade on your account automatically — entry, size, and the written reason it fired, no black box.
Will the Fed cut rates by 25bps in September?
Why ↳ CME FedWatch implies a near-certain 25bps cut. Core CPI cooled faster than consensus. FOMC minutes show a dovish shift — market is anchored on stale data.
How it works
The bot trades for you.
The bot scans
Live odds across Polymarket & Kalshi, priced continuously for mispricing.
The bot opens the trade
It picks the side, sizes the position, and logs entry price and confidence.
It runs on your account
The trade is placed for you automatically — with the written reason attached.
What we specialize in
Copy trading, with the reasoning attached.
Most copy trading products just show you a position and ask you to trust it. Tally gives you the bot's trade, its fair value, the edge versus market price, and a written brief showing the evidence that triggered the entry.
Cross-venue trading engine
The bot works Polymarket and Kalshi at once. Every open position shows entry, fair value, edge and confidence.
Reasoning, not black boxes
Each trade ships with a written brief and supporting evidence — base rates, news flow, on-chain data, order flow — so you know why you're copying it.
Instant Telegram alerts
Every trade the bot opens posts automatically to our public Telegram channel so you can mirror it from your phone.
Built for speed
Sleek dashboard, dense data, no junk. Filter open trades by venue, category, and edge.
Sits flat when there's no edge
When the market is fairly priced the bot doesn't trade. No fake-confidence prompts to fill your book.
Your data, locked down
Auth + row-level security. Your copied trades and watchlist are visible only to you.
New · Pro lab
The Arbitrage Bot — free money is a strategy.
Same outcome, two venues, two prices. Our bot watches every prediction market in real time, sizes the trade, and closes both legs before the spread disappears. Market-neutral, 24/7, with no babysitting.
Cross-venue scans
Polls Polymarket, Kalshi, and on-chain venues every few seconds for the same outcome at materially different odds.
Atomic execution
Both legs route in parallel with size, slippage, and gas baked in. If one leg can't fill, neither fires.
Risk-controlled
Position caps per market and per day. No leverage. Worst-case PnL is bounded before any trade submits.
Edge-weighted sizing
Bigger when the spread is fat, smaller when it's thin. Kelly-style sizing tuned to your bankroll.
24/7 watch
Markets don't sleep. Neither does the bot. 90-second opportunities at 3am get caught.
Compounding by design
Profits roll back into bankroll automatically. Small edges, thousands of captures, a real curve.
See it in action
Every open bot trade, on one screen.
Watch the bot's live book across Polymarket and Kalshi — entry price, fair value, edge, and the written brief behind each position, all in a single dense view.
Anatomy of a bot trade
Every part of the position, explained.
Reasoning, not black boxes. Here's exactly what ships with every trade you copy.
Will the Fed cut rates by 25bps in September?
Why ↳ CME FedWatch implies a near-certain 25bps cut. Core CPI cooled faster than consensus. FOMC minutes show a dovish shift — market is anchored on stale data.
- 01
The side the bot took
BUY YES or BUY NO — color-coded so you can scan the bot's book in seconds.
- 02
Entry price
The exact odds the bot filled at on Polymarket or Kalshi, so you can match it.
- 03
Model fair value
What our model thinks the true probability is, given the evidence.
- 04
Edge vs market
The gap between fair value and entry price. Bigger edge, bigger opportunity.
- 05
Confidence score
How sure the model is. Low confidence + small edge = the bot stays flat.
- 06
Written brief
A plain-English summary of the evidence behind the trade. No black box.
From our users
Copied by sharp traders and analysts.
“I stopped picking trades myself. The bot opens a position, I copy it in one tap, and the reasoning is right there if I want to check it.”
“I've been on Polymarket since 2022. Copying Tally's bot has beaten my own book — and I trust it because the why is right there.”
“The Telegram feed fires the moment the bot enters. I mirror it on my phone in seconds. No noise, no chart-staring.”
“What I like most is the discipline. When there's no edge the bot sits flat. Most products would never tell you to do nothing.”
“Pro paid for itself in the first week. Copying every trade instead of cherry-picking was the whole difference.”
“Smart UI, sharp writing, no hype. Tally feels like Bloomberg with a bot attached.”
Pricing
Start free. Upgrade to copy every trade.
Free
- A limited look at the bot's live book
- Full reasoning on every trade you can see
- Daily Telegram channel access
- Polymarket & Kalshi coverage
Pro
- 3-day free trial, then $29/mo
- Copy every trade the bot opens
- Every market, every venue, no caps
- Instant alerts the moment the bot enters
- Full reasoning, entry price and edge on each trade
- Cancel anytime
Payments powered by Stripe · Cancel anytime · No hidden fees
FAQ
Questions, answered.
Stop guessing. Start copying.
Join thousands of traders mirroring Tally's bot on Polymarket and Kalshi.