Something you may not know...

	Stock Price	Tick Size	Max. Return Rate per Tick	Highest Stock Price Minus Tick Size	Min. Return Rate per Tick
From	0.01 to 0.25	0.001	10.00%	0.249	0.402%
Higher than	0.25 to 0.5	0.005	2.00%	0.495	1.010%
Higher than	0.5 to 10	0.01	2.00%	9.99	0.100%
Higher than	10 to 20	0.02	0.20%	19.98	0.100%
Higher than	20 to 100	0.05	0.25%	99.95	0.050%
Higher than	100 to 200	0.1	0.10%	199.9	0.050%
Higher than	200 to 500	0.2	0.10%	499.8	0.040%
Higher than	500 to 1000	0.5	0.10%	999.5	0.050%
Higher than	1000 to 2000	1	0.10%	1999	0.050%
Higher than	2000 to 5000	2	0.10%	4998	0.040%
Higher than	5000 to 9995	5	0.10%	9990	0.050%

Remark: stock price higher than or equal to 0.1 has return rate per tick smaller than 1.01%

conclusion:

1. Return rate per tick is decreasing as stock price is increasing.

2. In general, the highest return rate per tick of stock price range is from 0.01 to 0.25. However, penny stocks are generally with higher risk.