39 posts tagged “kalshi”.
ZenHodl: $3.12B headline notional vs $1.48B taker cash across 15,808,966 Kalshi sports prints we captured (May 15 - Sep 6, 2026).
Compare ZenHodl and Telonex prediction market data: Kalshi depth and one-time archives vs Telonex's multi-venue Parquet subscription.
Compare PMXT's open-source, multi-venue trading API with ZenHodl's one-time Polymarket and Kalshi historical order-book archives.
Learn a four-step audit to find capture gaps in any market-data archive: derive coverage, dark time and cadence from the rows, not the README.
Recount the $9 Kalshi tryout's pinned release and explore recorded spreads, book changes and taker flow, with clear clock and coverage limits.
Compare ZenHodl and PolymarketData.co: one-time Kalshi + Polymarket archives with disclosed limits vs. a recurring Polymarket API with a free tier.
See how Kalshi's quoted spread changes with the liquidity behind the quote, across 553,843 order-book snapshots — and why depth beats spread.
We ran the numbers on our own $9 MLB matched-book tryout: cross-venue spread, a shared capture gap, and why a settlement-label check isn't a prediction.
Compare ZenHodl and Kaggle Polymarket data: free community datasets vs. paid, curated Kalshi + Polymarket archives with disclosed coverage.
Polymarket combos have no public listings, no order book, and no trade feed. We reconstructed the entire market from on-chain data — ~$9.5M of parlay...
A dated research snapshot on prediction-market liquidity, calibration, and execution across Polymarket and Kalshi — with current evidence caveats.
Buy just the Kalshi order-book slice you study: ATP/WTA/ITF tennis, MLB, WNBA, or LoL/CS2 esports — $39 each, same live capture as the full tape.
Kalshi L2 depth (up to 20 levels/side) plus a deduplicated trade tape with taker side, from a venue that doesn't retain its book — sold as dated vintages...
We time-aligned sampled Kalshi and Polymarket books on the same MLB games for 16 days. Polymarket led on all 16 and divergences half-closed in ~34...
Vendor-neutral 2026 buyer's guide to historical Polymarket and Kalshi order-book data: capture it yourself or buy — what each vendor has, what it costs.
When a prediction market prices a team at 87%, do those teams really win ~87% of the time? Using live-captured, outcome-labeled MLB books from Polymarket...
A quoted bid-ask spread tells you almost nothing about how much size a prediction market can actually absorb. Using live-captured Level-2 depth from...
The same game trades on Polymarket and Kalshi, so there must be free cross-venue arbitrage, right? A sampled MLB matched book shows how rare positive...
When the same game trades on Polymarket and Kalshi, which venue leads price discovery? Using a live-captured matched book of MLB games on both venues...
Polymarket's API gives you trades but not historical depth, and the book can't be rebuilt after the fact. Your real options for order-book history.
Closing Line Value compares an entry with a consistently defined market close. Learn the math, pregame use cases, sample uncertainty, and in-play limitations.
The real math of parlays: combined odds, compounding vig, breakeven win rates, and when (if ever) a parlay is positive expected value.
Honest guide to Polymarket referral codes, promo codes, and sign-up bonuses in May 2026. How the referral program actually works, which codes are real...
Learn how Kalshi's referral program and new-user bonus work in 2026: real codes, typical offer value, and the trading-volume fine print.
Honest 2026 comparison of Polymarket vs Kalshi sign-up bonuses, referral programs, and new-user offers. How each platform's promotion actually works, the...
Is Polymarket legal for US users in 2026? Full breakdown of the 2022 CFTC settlement, the 2024 DOJ raid, the current geo-block, what US-based traders can...
Step-by-step 2026 walkthrough for US users signing up to Kalshi — eligibility check, account creation, KYC with SSN, ACH funding from your bank, finding...
Compare Kalshi alternatives — Polymarket, PredictIt, Manifold, Robinhood Event Contracts, and sportsbook futures — on liquidity, fees, and regulation.
Learn how Kalshi's multivariate combo markets work like parlays, how to find them via the API, and how they differ from sportsbook parlays.
Head-to-head comparison of Polymarket and Kalshi for sports prediction trading in 2026 — liquidity per sport, fees, regulation, API access, and which...
Structural guide to the Kalshi NFL MVP market — how multi-outcome contracts work, how to read per-player implied probabilities, seasonal liquidity...
The Kelly Criterion tells you the mathematically optimal bet size when you have an edge. Most traders bet 2-4x too much. Here's the formula, the Python...
Math-first 2026 analysis of sportsbook welcome bonuses: most 'free $200' offers go net-negative after rollover. The three that don't.
Prediction markets are the fastest-growing alternative to traditional sportsbooks. This 2026 guide explains what they are, how they differ from...
A 2026 investigation of insider trading in prediction markets. We examine the 2024 Polymarket election dispute, academic studies of PredictIt...
Kalshi, Polymarket, PredictIt, Manifold, and ForecastEx compared on liquidity, fees, geography, and API access. Honest guide, no affiliate links.
Prediction market APIs compared: Polymarket CLOB, Kalshi REST, ESPN scoreboard/summary endpoints, The Odds API, auth, fees, rate limits, and Python.
Compare 8 sports odds APIs — The Odds API, Polymarket, Kalshi, ESPN, and more — on pricing, latency, and coverage, tested in production.
We backtested 237 trade signals with and without execution constraints. 99% of theoretical profit vanished. Here's what actually kills your trades — and...