How long should you hold on to GAP?

Compared to SP500 component stocks for the past 2 years. We compute the median gain for each of the SP500 stocks, as well as GAP. Purple dots are the median of the gain median for holding those SP500 stocks. Light purple area indicates the 25% to 75% of the SP500 stock gain median. Deep purple area covers the 10% to 90% of the SP500 stock gain median.

Last updated 2026-09-02T04:15:46.645462+00:00.

Ownership Length	Average Gain & Rank	Median Gain & Rank	Standard Deviation	Steady Growth Score*
One Single Day	+0.06% #239	-0.05% #391	3.29 #448	+0.02 #293
One Week	+0.25% #247	+0.52% #139	6.50 #428	+0.04 #294
One Month	+1.07% #269	+0.34% #323	12.31 #417	+0.09 #313
3 Months	+0.91% #330	+1.47% #295	15.91 #358	+0.06 #334
6 Months	+2.74% #325	+2.27% #311	17.74 #337	+0.15 #331
One Year	+5.88% #306	+4.26% #312	13.35 #210	+0.44 #295

*Steady Growth Score (SGS) measures the consistency of the gain over the specific ownership length. To consistently grow, the stock needs to have both high average gain and low gain deviation. SGS is then defined as the average gain divided by the standard deviation of the gain.