1986issue C031-4
Open outcry hand signals as order routing
In a financial-futures open-outcry pit, a hand flash to a telephone clerk was the fastest acknowledged path for a market order while the quote could still change. If the clerk did not acknowledge the flash, a runner became the slower backup route.
- Hand signals were treated as the fastest way to place an order because the quote could change in seconds.
- If a telephone clerk did not acknowledge a flashed order, the fallback route was to send a runner.
- A floor clerk had to know market size, the bid, the offer, and which players were active before committing an order.
- Tape reading of the pit included participant identity as well as price, including crossed arms that could mark a named house entering the market.
The fastest acknowledged path
In a financial-futures open-outcry pit, hand signals were treated as the fastest way to place an order because the quote could change in seconds. Order-routing meant choosing and sending an executable instruction through the fastest acknowledged path, with a hand-signal flash to a telephone clerk first.
If that telephone clerk did not acknowledge the flashed order, the runner-fallback carried a written or verbal order instead. The backup route added time to the order life cycle.
What the hand-signal had to carry
A hand-signal was a pit-specific gesture vocabulary that encoded side, size, price, and sometimes the house entering the market. Hand signals identified buyers, sellers, and trade size, and the code differed by exchange and often by pit.
Quoted structure could be flashed as one bid at 79-01 and two offered at 79-02, or as 100 offered at even. Crossed arms could mark a named house entering the market, so tape-reading included participant identity as well as price.
Reading the pit before taking the quote
A floor clerk supporting execution had to know market size, the bid, the offer, and which players were active at all times. The bid-offer was the standing buy and sell quotes the clerk had to be able to report at any moment, together with how much size sat on each side.
A compact floor signal for a small market meant low volume. That live size reading was used before committing an order.
Tape-reading meant reading the live pit tape of size, bid, offer, and who was acting, then turning that repeatable floor condition into a checkable hypothesis about whether an order could be filled without surprise. A market-order was an instruction to take the currently flashed bid or offer rather than wait for a better price, so implementation cost was the spread, size, and delay already visible in the pit.
The one-minute warning
A one-minute warning bell preceded a last surge of shouted and flashed orders before trading stopped at 2:00 p.m.
All readings on this track · 20 readings
- 1986Open outcry hand signals as order routing
- 1989Finishing a market order in a first index-pit session
- 2001Ticket charges, internalization, and hidden size on the tape
- 2003Opening auction indications, premium and print size
- 2003Listed open order routing and the short-sale tape
- 2003Opening indication, one-sided envelope, and the sector tape check
- 2003Opening auction fills and the post-print tape
- 2004Specialist prints, opening exits and live tape filters
- 2005A tape-reading case study of support, resistance, and breakout confirmation
- 2005Tape flips versus idle capital: a process critique
- 2005Read the tape, name the liquidity job, then route for price
- 2006Fill entitlement, hybrid routing, and pairs sequencing
- 2006Alerts over resting stops, with tape-reading at the exit
- 2006When crowd levels diverge from Fibonacci support
- 2008Perfect prints before the chart
- 2008Hidden size, tape delay, and pairs shorts belong in the trade rule
- 2010Inside the spread: why OHLC bars hide the buy-sell shift
- 2010Specialist pair books sized for dividends and tape
- 2016Tape reading as judgment under distraction
- 2018Tape-reading breakouts with increment stops