PIMCO 25+ Year Zero Coupon U.S. Treasury Index ETF

ZROZAMEX · USD
56.28USD0.00 (-0.41%)

PIMCO 25+ Year Zero Coupon U.S. Treasury Index ETF (ZROZ) Options Open Interest

ZROZ options open interest is 5,464 contracts. The 2-week average daily volume is 371 contracts across the chain.

Read more

Monitoring ZROZ open interest helps you see where real money is positioned on PIMCO 25+ Year Zero Coupon U.S. Treasury Index ETF's options and which strikes are attracting the most commitment from traders. PIMCO 25+ Year Zero Coupon U.S. Treasury Index ETF's open interest reflects the total number of outstanding contracts that have not been closed or exercised, making it a powerful gauge of liquidity, conviction, and potential support and resistance zones. Use our scanner to monitor ZROZ options open interest in real time and find the strikes that matter.

Open interest is distinct from volume: volume counts how many contracts are traded in a session, while open interest counts how many remain open at the end of the day. Rising ZROZ options open interest alongside rising volume suggests new positions are being built, while falling open interest signals positions are being closed. Heavy open interest at specific strikes often acts as a magnet near expiration and can hint at where dealers and large traders expect PIMCO 25+ Year Zero Coupon U.S. Treasury Index ETF to settle.

The Fund seeks to provide total return that closely corresponds, before fees and expenses, to the total return of The BofA Merrill Lynch Long Treasury Principal STRIPS IndexSM

Pin risk into expiration, dealer positioning, liquidity checks for large orders — all of it starts with knowing where ZROZ open interest is concentrated. Our scanner maps PIMCO 25+ Year Zero Coupon U.S. Treasury Index ETF's open interest across every strike and expiry, flags unusual buildups, and lets you drill into the contracts that institutional money is actually holding. Trade PIMCO 25+ Year Zero Coupon U.S. Treasury Index ETF's options open interest as the signal it is, not as an afterthought.

2026-10-16
Calls
65.00—1.151.1571%+0.2260350
62.00—0.100.1026%+0.0671122
59.000.050.500.2821%+0.1863109
60.000.050.150.1019%+0.087697
61.00—1.401.4057%+0.306446
Puts
58.001.803.102.4528%-0.648380
55.000.651.200.9329%-0.343831
57.001.702.702.2035%-0.532829
60.003.505.404.4540%-0.724928
59.002.655.003.8342%-0.654125

As of September 25, 2026

Follow the money

Track ZROZ open interest across every strike and expiration, identify where conviction is building, and trade with the positioning data on your side.

Start your 14-day free trial