Therefore, if you bought back your short call, you no longer have a short position at the end of the day and no possibility of assignment thereafter. One options industry operational caveat is that assignments are determined based on net positions after the close of the market each day. The rights and or obligations are eliminated when you no longer hold an open position. Think of it this way: option holders have rights, and option sellers have obligations. The life of the option contract ends either at expiration of the option or when you choose to close your position.

When an investor sells a call option to establish an open short position, the option seller or writer is obligated to deliver the stock at any time during the life of the option contract, if assigned. Accordingly, you will not have an open short position in the call, and will not be obligated to deliver the underlying stock. Since you are closing out your position by selling an open long call, the closing sale will eliminate your position the sale will offset the previous purchase. When you “close” an option position you eliminate your rights or obligations associated with the option position. I'd like to sell my contract, but am I obligated to deliver stock if another option holder exercises their call option? The stock has risen in value, and so has the call option. Usually if an option is liquid, the underlying stock is also liquid. When the market on an option is narrow, it typically means that investors can buy or sell shares of the underlying stock in quantity near the last sale price, or that the option itself has a lot of buyers and sellers near the last sale price of the option. In that case, the options' bid-ask is likely narrow. This means that there are many stock shares to buy or sell at prices near the last sale. It is possible to have a volatile stock that is liquid. Sometimes that means that the stock is more volatile, but not always. When the bid-ask spread on an option is wider than typical, it usually means that the market makers are not sure where they can reliably buy or sell shares of the underlying stock to hedge possible options transactions. Liquidity can also refer to the availability of stock near the last sale price. A “liquid market” is evidenced by a tight (or small) spread between bid and offer, as well as large size bid and offer. In the context of securities trading, liquidity is generally the term used to describe the ease of entering and or exiting a securities position at a fair price. Product universe includes all liquid Eurex products (approx.Liquidity can have many meanings.The product is available in two packages Equity + Index and Fixed Income.Eurex Open Interest Insights is available at T+2 in CSV-Format.The data can be retrieved from the > Data Shop Historical Data via API or Web GUI.History available back to 2002 with previous stringent liquidity rules removed for expiries 2002-2018.Options and futures strategies are decomposed and added to the outright positions.Open interest is broken down daily on an instrument level into long and short positions and market participant groups (agents, market maker and proprietary trader) Open interest includes all adjustments.The ongoing daily file product scope is based on the expanded coverage of approximately 1,000 liquid Eurex products and is reviewed quarterly.20 years of history are available and can be retrieved back to 2002 with a vastly expanded coverage encompassing the entire Eurex universe for expiries 2002-2018 except single Stock futures and FX.

The product gives a daily analysis of the positions of market participant groups (agent, market maker and proprietary trader) similar to Eurex Flow Insights.The product provides Open Interest measures, broken down into long and short positions giving insights into the distribution of exposure in the futures and options market.Eurex Open Interest Insights captures proprietary data from behind the exchanges network, providing unique insights into market sentiment and offering key information regarding investor’s risk appetites and convictions.

Open interest options