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): 0.00000001 / 1 / 5
Ethereum (ETH): 0.00000050 / 20 / 100
Litecoin (LTC): 0.00000200 / 60 / 300
Tether (USDT): 0.00050000 / 1,000 / 5,000
Bitcoin Cash ABC (BCH): 0.00000100 / 3 / 15 
Bitcoin Cash SV (BSV): 0.00000100 / 5 / 25
Ripple (XRP): 0.00100000 / 5,000 / 25,000
Dogecoin (DOGE): 0.05000000 / 600,000 / 3,000,000
Dash (DASH): 0.00000100 / 10 / 50
ZCash (ZEC): 0.00000250 / 20 / 100
Ethereum Classic (ETC): 0.00005000 / 150 / 750
Neo (NEO): 0.00001000 / 40 / 200
Stratis (STRAT): 0.00050000 / 1,000 / 5,000
Komodo (KMD): 0.00020000 / 600 / 3,000
Bitcoin Gold (BTG): 0.00001000 / 50 / 250
Lisk (LSK): 0.00010000 / 500 / 2,500
Digibyte (DGB): 0.01000000 / 50,000 / 250,000
Quantum (QTUM): 0.00010000 / 400 / 2,000
Waves (WAVES): 0.00010000 / 400 / 2,000
Stellar (XLM): 0.00100000 / 10,000 / 50,000
EOS (EOS): 0.00010000 / 200 / 1,000
TRON (TRX): 0.01 / 50,000 / 250,000
Bitsler Coin (BTSLR): 1 / 1,000,000 / 1,000,000