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Reverse Stock Split

The basics

A reverse stock split is a corporate action in which a company reduces its number of outstanding shares by consolidating multiple existing shares into fewer, higher-priced ones. Nothing about the underlying business changes: the company doesn't raise cash, sell assets, or become more or less profitable. It's essentially a repackaging of the same pie into fewer, bigger slices.

Mechanically, the company sets a ratio, such as 1-for-10, meaning every 10 old shares become 1 new share. The share price is adjusted upward by roughly the same ratio so that market capitalization (share price multiplied by shares outstanding) stays the same immediately before and after the split, at least in theory. A stock trading at $2 with 50 million shares outstanding, after a 1-for-10 reverse split, becomes a stock trading near $20 with 5 million shares outstanding.

The nuance that trips people up is that a reverse split is often a warning sign, not a neutral event. Companies whose share price has fallen too low sometimes use a reverse split to push it back above a minimum price threshold required to stay listed on an exchange, or to look more attractive to institutional investors who avoid very low-priced stocks. The split itself doesn't fix whatever caused the price to fall, and it's common for a stock's price to keep drifting down after the split, even though the mechanics of the split were "fair" on day one.

Reverse splits also frequently produce fractional shares, since not every position divides evenly by the ratio. Companies typically pay cash for those leftover fractions rather than issuing partial shares, so shareholders may end up with a slightly different total value than a pure ratio calculation would suggest.

Check the current rule

This term depends on a rule or threshold that changes over time, so no specific figure is quoted here. The definition mentions that reverse splits are sometimes used to meet an exchange's minimum share price for continued listing. The specific minimum price thresholds (e.g., Nasdaq's or NYSE's continued-listing price requirements) are not stated here and should be confirmed against current exchange rules if a specific number is to be added, since these are set by the exchanges and can change.

Why it matters on the desk

Day traders watch for reverse splits because they reset the chart (old price history gets multiplied by the ratio, which can distort technical levels and historical volume comparisons) and because the stocks that do them are often thinly traded, high-volatility names prone to sharp moves right after the announcement.

An example

A company trading at $0.80 with 200 million shares outstanding (about $160 million market cap) announces a 1-for-20 reverse split. After the split, it has 10 million shares outstanding, and the price adjusts to roughly $16, keeping market cap near $160 million. A trader who held 1,000 shares before the split now holds 50 shares worth about the same total dollar amount, minus any cash paid out for fractional shares.

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