Inside its usual range of 0.92 to 1.01. The record is 1.29, in September 2009. Down from 0.99 a year ago.
What it is. Open index put options for every open call option.
How to read it. Puts are bought for protection or to bet on a fall. The ratio is noisy from week to week; read it as a description of positioning, not a forecast.
| Latest | 0.98 | Sept 2026 |
|---|---|---|
| A week ago | 1.02 | |
| A month ago | 0.96 | |
| A year ago | 0.99 | |
| Usual range | 0.92 to 1.01 | |
| Median | 0.96 | |
| Lowest | 0.71 | 31 Mar 2020 |
| Highest | 1.29 | 30 Sept 2009 |
| Percentile, full history | 61 | |
| Percentile, last 5 years | 89 |
The usual range is the middle half of readings since 2009. A percentile is the share of the 210 readings since 29 Apr 2009 that were below today's. Data: statistics, history (JSON); history as CSV.
To cite: tipsheet, “Index options put-call ratio”, data to Sept 2026, https://tipsheet.markets/i/put-call-ratio/
the usual range: the middle half of all readingstodayEach line runs from the lowest reading ever to the highest.