What is the NYSE TICK Index? Definition, Formula, and Example
The NYSE TICK Index is a real-time market breadth indicator that measures the net number of NYSE-listed stocks trading on an uptick versus a downtick, used by day-traders to gauge intraday conviction.
The NYSE TICK is a real-time market breadth indicator that tracks the net number of NYSE-listed stocks trading on an uptick versus a downtick. It oscillates around zero, ranges from roughly -1,500 to +1,500 during the regular session, and serves as a high-frequency pulse-check on intraday market conviction. Day-traders read the TICK to confirm that an index move has broad participation rather than being driven by a handful of mega-caps.
How the NYSE TICK Is Calculated
The formula is deterministic and updates every few seconds throughout the session:
TICK = (number of NYSE stocks whose last trade was higher than the prior trade) − (number of NYSE stocks whose last trade was lower than the prior trade)
Stocks trading at the same price as the previous print are excluded. The universe covers roughly 2,800 NYSE common stocks, ETFs, and ADRs. Cboe publishes the values under the symbol $TICK. Related symbols include $TIKI (Dow 30 only) and $TICKQ (Nasdaq-100), though both have far less following.
Conventional thresholds: readings above +1,000 indicate a buying breadth thrust, below -1,000 a selling thrust. Sustained extremes — multiple +1,200 prints inside an hour — read as institutional program buying. Single spikes followed by reversal are treated as exhaustion signals.
Worked Example
On 2025-08-05, SPY opened down 1.4% after a weak jobs print. By 10:15 ET, the TICK printed -1,287, well past the -1,000 threshold. Over the next 90 minutes the TICK reset toward neutral, with no follow-through below -800. By 1:30 ET the TICK printed +987 on an SPY rally back through VWAP. The early -1,287 marked a session low that held for the rest of the day — a textbook negative TICK extreme acting as a short-term capitulation marker.
When Traders Use the TICK
Scalpers and futures day-traders (ES, NQ, YM) watch the TICK for:
- Trend confirmation — sustained readings in one direction (a half-hour of +600 to +900 prints) validate a directional move
- Divergence — index makes a new high but TICK fails to exceed its earlier high, signaling deteriorating breadth
- Reversal signals — extreme prints above ±1,200 mark short-term exhaustion, often setting up fade trades
- Open-range reads — the first 15-minute TICK profile reveals whether buyers or sellers control the morning
Algorithmic desks use rolling 5- or 30-minute averages of TICK to filter chop from trend.
Limitations and Common Misconceptions
The NYSE TICK counts only NYSE primary listings — Nasdaq names (AAPL, MSFT, NVDA) do not contribute, despite being the largest weights in major indices. This blunts the indicator's relevance to a Nasdaq-heavy S&P 500. The TICK also treats every stock equally — a $5 SPAC's uptick counts the same as Berkshire Hathaway's. It measures direction, not size. After-hours and pre-market sessions are not covered; the TICK updates only 9:30 to 16:00 ET.
A second misconception is that TICK extremes mark precise turning points. They identify zones of stress, not exact reversal candles. Combine with VWAP, session levels, and the advance-decline line for confluence before acting.