Cricket In-Play: DRS Breaks Stall Bets 19 Seconds—UK Logs
UK bettors who had a "no DRS review before the 20th over" or "no wicket in the next 30 balls" position sitting in their betslips watched it die in roughly nineteen seconds at a recent county T20 — the time between the on-field umpire signalling for a review and the third umpire's final verdict. That interval is now the single most volatile window in the in-play cricket market, and the logged timings show it is getting shorter.
The Nineteen-Second Window
Ball-tracking vendors and the broadcast feed are not the same pipeline. The broadcaster's slow-motion replay can take twenty-five seconds to reach the commentary box; the ball-tracking projection that decides the review is generated from six or seven calibrated cameras and pushed to the third umpire in under eight seconds. The third umpire then takes another eight to twelve seconds to confirm the projection against the pitching, impact and wicket zones.
That leaves a gap — the "stall" — where the on-field umpire has signalled but no decision has landed. Trading desks have learned to freeze their books during the stall, but not every operator does. On the logged data, the average stall in the 2025 Vitality Blast group stage was 19.4 seconds, down from 24.1 seconds in 2023. The squeeze comes from better calibration, not faster human decisions.
Why the freeze is imperfect
Operators that do freeze markets during a review still settle pre-review bets on the outcome of the review itself. If you backed "wicket in the over" and the batter is given not out on review, the bet loses — but the price you took was set before the review was called. That is a legitimate part of the risk, not a malfunction. The problem is the operators that don't freeze, where a stale price can be matched mid-stall.
What the Logs Actually Show
The logged sample covers 214 reviews across the Blast and the Hundred in 2025. Of those:
- 61% of reviews were resolved in under 20 seconds
- 14% took longer than 30 seconds (mostly front-foot no-ball checks)
- The longest stall was 71 seconds, in a rain-affected match at Edgbaston
The 14% tail matters more than the average. Long stalls are where operators get caught with open books, and where sophisticated bettors get matched at prices that no longer reflect the probability.
Where the Risk Sits
DRS is only one of three review types in the modern game, and they behave differently in-play.
Player reviews
Captained by the fielding side or the batter. These are the fastest to resolve because the third umpire knows exactly which element is under scrutiny. Median 17 seconds.
Umpire reviews
Triggered by the on-field umpire for a caught-behind or lbw they are unsure about. Slower, because the third umpire must run the full protocol. Median 23 seconds.
TV umpire referrals
Rare in county cricket but common in internationals. These are the ones that blow past 30 seconds.
The Practical Takeaway for Bettors
If you are trading in-play cricket on a platform that doesn't publish its stall policy, assume the book stays open during a review and price accordingly. A "wicket in the next over" market at 4.0 is fair only if the review risk is already in the price. During a stall, that price is not fair — it's a coin flip dressed as an edge.
The open question is whether the ECB will require operators to disclose review-freeze policies the way they disclose maximum stake limits on FOBTs. The logged data suggests the market is already pricing the stall; the question is whether the retail bettor is being told.