2011issue C0477
Futures liquidity rank as an execution filter
The archive ranks listed futures by how readily a full book can be transacted. Relative contract liquidity combines a size-normalized three-year range, open interest, and a volume factor so that contracts can be compared only after they are placed on a common scale.
- Relative contract liquidity scores how readily a listed futures book can be bought and sold, using a size-normalized price range, open interest, and a volume factor.
- Contracts to trade for equal dollar profit put every listed market on one three-year dollar-range scale so that contract counts can be compared.
- Each ranking column is a proportional measure and is meaningful only next to other contracts in the same column.
- Editorial reading: use the rank as a liquidity filter before a contract is treated as eligible for margin or dollar-range comparison.
How readily a listed book can be transacted
A futures liquidity rank can be formed by combining contract point value, a three-year maximum price range, open interest, and a volume adjustment. Relative contract liquidity is the comparative score of how readily a listed futures book can be bought and sold.
The ranking orders contracts by how readily their full listed books can be transacted. The top of the list is easiest to buy and sell. The bottom is the most difficult.
Size, open interest, and volume in one rank
The contracts-to-trade-for-equal-dollar-profit figure scales every listed market to the same dollar value by using contract value times the largest price change observed over three years. That equal-profit contract count is specified as tick dollar value multiplied by the three-year maximum price excursion.
Relative contract liquidity is the equal-profit contract count times total open interest times a volume factor. Open interest is the stock of outstanding futures positions used as a size input. The volume factor is a multiplier, floored at one, that lifts the rank when traded volume is large relative to a fixed volume benchmark.
Effective percent margin is initial margin dollars expressed as a percentage of the same three-year dollar range of the contract. In the archive workflow it is margin dollars divided by the three-year range of contract dollar value, stated as a percent.
Compare columns, not isolated scores
Relative liquidity is presented comparatively. The densest activity marks identify the most active contracts, while one mark or none identify thinly traded contracts.
Each column is a proportional measure that is meaningful only when compared with other contracts in the same column.
Share turnover on the same page
On the same page, equity trading activity is treated as a liquidity proxy equal to period volume as a percentage of shares outstanding. That proxy is described as a share-turnover rate.
Contracts needed for equal dollar profit

The source defines Contracts to Trade as tick dollar value times the three-year maximum price excursion, so every name is scaled to the same dollar profit. Relative liquidity dots and percent-margin columns are omitted here because they are not a recoverable numeric series. Sample is the April 2011 TASC listing.
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