I'm going to try and answer a few of your questions here.
When you're a trader and you make a trade (for example the S&P 500), you announce your bid/offer (example: 4 at 3.40, would imply sell 4 contracts 1333.40 or whatever its trading it around now). Then, when someone says buy them or you negotiate the trade out with someone (very quickly), and you mark down the info on a trading card with their clearing firm and badge. These are all processed during and at the end of the day to match the trades.
Rarely does this end in arbitration, as usually if there is a price discrepancy they'll check the audit trail (you have to announce your trade to the quote person in the pit) and confirm the trades. Often, they will just split the price difference (like say you said you bought them at 1333.40 and I said I sold at 1334.40, we would just agree on 1333.90 and be done).
Not every trader has a runner to confirm and match the trades, but clearing firms usually employ runners to confirm trades for their customers that route directly to the pit.
Floor traders pay the absolute lowest commission. I pay $0.20 per side to the exchange for the S&P trades (my clearing firm charges $0.21 each extra) and $0.11 each for my active market, Lean Hogs. One tick on the big S&P will net me $24.18, which is nice if you can manage it 100s of times a day.
CME is moving over to the CBOT building (they already have begun doing so) and the CME floor is being converted to office space.
Also, if I'm not mistaken, the capital requirement is around $100,000 unless you can strike a deal with your clearing firm.
There are many opportunities still present in the pits, however 95% of people don't make it because they're too crazy or just can't stand when a trade goes 5 ticks against them. People can make over $50k in a day (believe me I've seen it) and also lose their entire account. My son just started trading with me in the hogs, and he was down $18,000 the first day, sending his account into a debit amount.
When you're a trader and you make a trade (for example the S&P 500), you announce your bid/offer (example: 4 at 3.40, would imply sell 4 contracts 1333.40 or whatever its trading it around now). Then, when someone says buy them or you negotiate the trade out with someone (very quickly), and you mark down the info on a trading card with their clearing firm and badge. These are all processed during and at the end of the day to match the trades.
Rarely does this end in arbitration, as usually if there is a price discrepancy they'll check the audit trail (you have to announce your trade to the quote person in the pit) and confirm the trades. Often, they will just split the price difference (like say you said you bought them at 1333.40 and I said I sold at 1334.40, we would just agree on 1333.90 and be done).
Not every trader has a runner to confirm and match the trades, but clearing firms usually employ runners to confirm trades for their customers that route directly to the pit.
Floor traders pay the absolute lowest commission. I pay $0.20 per side to the exchange for the S&P trades (my clearing firm charges $0.21 each extra) and $0.11 each for my active market, Lean Hogs. One tick on the big S&P will net me $24.18, which is nice if you can manage it 100s of times a day.
CME is moving over to the CBOT building (they already have begun doing so) and the CME floor is being converted to office space.
Also, if I'm not mistaken, the capital requirement is around $100,000 unless you can strike a deal with your clearing firm.
There are many opportunities still present in the pits, however 95% of people don't make it because they're too crazy or just can't stand when a trade goes 5 ticks against them. People can make over $50k in a day (believe me I've seen it) and also lose their entire account. My son just started trading with me in the hogs, and he was down $18,000 the first day, sending his account into a debit amount.


