iShares MSCI Taiwan ETF (EWT) Open Interest History

Open interest tracks the total number of outstanding options contracts. Rising OI alongside price moves can indicate growing commitment to the trend; declining OI suggests positions are being closed.

iShares MSCI Taiwan ETF (EWT) operates in the Financial Services sector, specifically the Asset Management industry, with a market capitalization near $8.06B, listed on AMEX, carrying a beta of 1.11 to the broader market. The iShares MSCI Taiwan ETF seeks to track the investment results of an index composed of Taiwanese equities. public since 2000-06-23.

Snapshot as of May 15, 2026.

Spot Price
$91.44
Call OI
58.0K
Put OI
62.3K
Total OI
120.3K
Put/Call Ratio
0.54

As of May 15, 2026, iShares MSCI Taiwan ETF (EWT) has 120.3K total contracts outstanding across all expirations. Put/call OI ratio is 1.07 (balanced positioning). Open interest reflects accumulated positions from prior sessions; persistent growth indicates sustained directional or hedging interest, while sharp drops typically mean post-expiration clean-up.

How EWT open interest history Data Feeds Strategy Selection

Strategy selection on iShares MSCI Taiwan ETF options does not derive from any single metric in isolation. The open interest history view above sits inside a broader read: ATM IV currently sits at 36.4% and dealer gamma exposure is positive, so dealer hedging is mechanically mean-reverting. Combine the open interest history data here with the volatility-skew surface, dealer-gamma exposure, max-pain level, and upcoming-events calendar to build a positioning thesis. Risk-defined structures (credit spreads, debit spreads, iron condors) are usually safer than naked positions while the regime is uncertain; the data on this page anchors the inputs but does not by itself constitute a trade thesis.

Learn how open interest is reported and how to read the data →

EWT highest open-interest contracts

TypeStrikeExpirationVolumeOIIVBidAsk
PUT$78.20Jun 18, 20264.3K16245.0%$0.45$0.80

Top 1 contracts from the ORATS-sourced nightly scan; ranked by oi within the broader S&P 500/400/600 + ETF universe.

Frequently asked EWT open interest history questions

What is the current EWT options open interest?
As of May 15, 2026, iShares MSCI Taiwan ETF (EWT) has 120.3K total contracts outstanding across all listed expirations, split as 58.0K calls and 62.3K puts. Open interest reflects accumulated positions from prior trading sessions; it does not include today's volume until end-of-day reconciliation.
What is the EWT put/call open interest ratio?
Put/call OI ratio of 1.07 is balanced.
What does EWT open interest tell traders?
Persistent OI growth indicates sustained directional or hedging interest; sharp drops typically mean post-expiration position cleanup. Heavy OI concentrations at specific strikes act as support and resistance levels because dealer hedging amplifies near those strikes - the gamma profile of the dealer book is concentrated there. Comparing today's volume to standing OI separates opening flow from closing flow.