You can bet the maximum bet value as long as the maximum profit value is respected.
Coin : Min Bet / Max Bet / Max Profit
Bitcoin (BTC): 0.00000100 / 10 / 10
Ethereum (ETH): 0.00005000 / 100 / 100
Litecoin (LTC): 0.00015000 / 150 / 150
Bitcoin Cash ABC (BCH): 0.00003000 / 7 / 7 
Bitcoin Cash SV (BSV): 0.00007000 / 15 / 15
Ripple (XRP): 0.03 / 7,000 / 7,000
Dogecoin (DOGE): 3.5 / 750,000 / 750,000
Dash (DASH): 0.00010000 / 30 / 30
ZCash (ZEC): 0.00025000 / 50 / 50
Ethereum Classic (ETC): 0.00200000 / 400 / 400
Neo (NEO): 0.00080000 / 175 / 175
Stratis (STRAT): 0.03 / 6,000 / 6,000
Komodo (KMD): 0.01250000 / 3,000 / 3,000
Bitcoin Gold (BTG): 0.00100000 / 250 / 250
Lisk (LSK): 0.01000000 / 2,500 / 2,500
Digibyte (DGB): 1.25 / 250,000 / 250,000
Quantum (QTUM): 0.00400000 / 750 / 750
Waves (WAVES): 0.01000000 / 2,000 / 2,000
Stellar (XLM): 0.1 / 25,000 / 25,000
EOS (EOS): 0.00250000 / 500 / 500
TRON (TRX): 0.5 / 100,000 / 100,000
Bitsler Coin (BTSLR): 1 / 1,000,000 / 1,000,000