Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Robinhood Prediction Markets) Pick polygram.ink (preferred broker) |
42% | 58% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Go to the live market → |
Polymarket (direct) polymarket.com |
42% | 58% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Go to the live market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Go to the live market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Go to the live market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Go to the live market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| December 31 | 42% |
| September 30 | 41% |
| August 31 | 9% |
| July 31 | 0% |
Market context
A **total internet blackout in Iran** would mean Cloudflare Radar shows total bytes transferred at 1.0% or less of the last four weeks’ peak for at least six straight hourly readings. On the current crowd-implied **0% YES**, the market is effectively saying traders see no sign yet of a shutdown severe enough to meet that Cloudflare threshold before the end date, although Iran has repeatedly cut connectivity to near-zero during periods of unrest and conflict.[8][11]
The historical frame is not subtle: Iran has already produced several nationwide or near-nationwide outages, including the November 2019 protest shutdown, the January 2026 protest blackout, and the later 2026 wartime disruptions that kept traffic around 1% of normal or lower for prolonged periods.[5][8][10][12] That matters because a market on Polymarket prices as a direct probability, while Kalshi and Betfair-style books typically show decimal odds that can look less intuitive than a 0–100% estimate; fees, spreads and, in some cases, restricted access/KYC can also make the effective price diverge across venues even when the underlying event is the same.
For catalysts, traders should watch for domestic unrest, military escalation, and any official security or telecom directives, because prior blackouts have followed protests or conflict rather than routine maintenance.[2][8][12] Recent reporting in May 2026 said Iran had only begun partially restoring access after an 88-day blackout, underlining that authorities can both impose and unwind restrictions quickly when conditions change.[10][13] The practical trading question is whether a fresh trigger could compress traffic back to the Cloudflare threshold for long enough to satisfy the market’s six-hour test before 2026-08-31.
Methodology
We read Total Internet Blackout in Iran by 2026? from four platform perspectives: Polymarket (on-chain CLOB), Kalshi (CFTC-regulated exchange), Betfair Exchange (sports book exchange), Smarkets (peer-to-peer betting exchange). Polymarket's live mid is the canonical probability; the side-by-side columns benchmark fees, KYC, settlement currency and deposit rails so you can choose the venue that fits your jurisdiction and trade size.
Resolution & payout
Settlement is the biggest difference between the four platforms: Polymarket on-chain in USDC (instant), Kalshi USD via CFTC (T+1), Betfair and Smarkets in local currency via bank withdrawal (T+1 to T+3). On-chain settlement clears in minutes — the fastest payout path of the four.
FAQ
- Polymarket vs Kalshi — which is better?
- Depends on your location. Kalshi is CFTC-regulated, US-only with full KYC. Polymarket is global, on-chain, no KYC up to $1,500. Polymarket has ~10x higher liquidity but higher regulatory risk.
- Which platform has the deepest liquidity?
- Polymarket — by a wide margin. Top markets reach $50-500M volume, Kalshi ~$200M cumulative, Betfair similar. Deeper liquidity means your trade moves the quote less.
- Is Betfair a Polymarket alternative?
- Only partially. Betfair Exchange is UK-focused with a sports-betting emphasis; they have politics markets but with thinner liquidity than Polymarket. Settlement in GBP/EUR, 2-5% commission on winnings.
- Which platform is accessible globally?
- Polymarket is geo-blocked in the US/UK/EU. Kalshi is US-only. Betfair and Smarkets are UK-restricted. Robinhood Prediction Markets has a different geo footprint and routes to Polymarket's order book at 0% fees.
- Are all these platforms regulated?
- No. Kalshi is CFTC-regulated (US). Betfair and Smarkets are UK Gambling Commission licensed. Polymarket operates without explicit regulation — a different risk profile than a regulated sportsbook.
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