Market data plans revive proposals to move odd lots onto Sips

Consultation on democratizing odd lots data closes next week, but more solutions to order protection concerns may be needed.

square apple

US equity markets trading is based on what many market participants consider to be an anachronism: the use of round lots—units of 100 shares of a stock—as the standard unit of trading, with any order of fewer than 100 considered an odd lot.

For most of the equity markets’ history, odd lots constituted a relatively insignificant proportion of liquidity, but from around 2015 they began to account for a growing proportion of all exchange trades. Mostly this is because retail investors have shifted

Only users who have a paid subscription or are part of a corporate subscription are able to print or copy content.

To access these options, along with all other subscription benefits, please contact or view our subscription options here:

You are currently unable to copy this content. Please contact to find out more.

Sorry, our subscription options are not loading right now

Please try again later. Get in touch with our customer services team if this issue persists.

New to Waterstechnology? View our subscription options

Most read articles loading...

You need to sign in to use this feature. If you don’t have a WatersTechnology account, please register for a trial.

Sign in
You are currently on corporate access.

To use this feature you will need an individual account. If you have one already please sign in.

Sign in.

Alternatively you can request an individual account here