Siebert Financial Corp

SIEBNASDAQ · USD
2.25USD+0.05 (+2.28%)
559

Siebert Financial Corp (SIEB) Options Open Interest

SIEB options open interest is 377 contracts. The 2-week average daily volume is 25 contracts across the chain.

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Monitoring SIEB open interest helps you see where real money is positioned on Siebert Financial Corp's options and which strikes are attracting the most commitment from traders. Siebert Financial Corp'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 SIEB 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 SIEB 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 Siebert Financial Corp to settle.

Siebert Financial Corp., through its subsidiaries, engages in the retail discount brokerage and investment advisory businesses in the United States and Internationally. It offers discount brokerage services, including self-directed trading, wealth management, financial advice, market making and fixed income investment, stock borrow, equity compensation plans, securities lending, equity stock plan, and market making services; independent retail execution services; and retail customer services. The company also offers self-directed retirement accounts, as well as lends customers a portion of the market value of marginable securities held in the customer's account.

In addition, the company provides data technology platform that offers various services, such as email and messaging, market data systems and third party trading systems, business productivity tools, and customer relationship management systems. Further, it offers a Robo-Advisor platform that provides clients with an automated wealth management solution; and various insurance products, such as fixed annuities, personal insurance, property and casualty insurance, natural disaster insurance, and life and disability. The company has 12 branch offices in the United States. Siebert Financial Corp. was incorporated in 1934 and is headquartered in New York, New York.

Pin risk into expiration, dealer positioning, liquidity checks for large orders — all of it starts with knowing where SIEB open interest is concentrated. Our scanner maps Siebert Financial Corp'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 Siebert Financial Corp's options open interest as the signal it is, not as an afterthought.

2026-10-16
Calls
2.50—0.950.95521%+0.698414
5.00—0.100.10271%+0.17175
7.50—0.100.10350%+0.14640
Puts
2.50—0.750.75270%-0.44970
5.002.203.302.7529%-1.00000
7.504.705.905.30251%-0.96020

As of September 25, 2026

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

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