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Messages - biophil

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481
This is the exact implementation I had considered *if* we wanted shorts to pay interest to longs rather than posting additional collateral.

This would create a bidding system / auction system for setting the interest rate...

Why not do both?

Let every short offer specify both the collateral ratio, and interest rate.  You can increase your offer's sort priority by increasing either the collateral ratio or the interest rate.

In other words, just specify some hard-coded function f(collateral_ratio, interest_rate) with df/dx and df/dy both positive, and sort shorts according to their f() value.

Basically f() represents to what extent the network is willing to reward higher collateralization with an interest rate discount.

How would you choose f()? Ideally, you'd want f() to be chosen dynamically by some market mechanism. Hard-coding it could lead to trouble a la price-fixing.

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482
General Discussion / Re: Max Short Holding Period
« on: September 30, 2014, 07:15:21 pm »
When your short order is executed you will be given 30 days until a mandatory cover (without fee) is executed.

This is done to enhance the Nash Equilibrium that will cause shorts to take opportunities to cover at a profit anytime there is deviation from the peg.  After 30 days this will create continual buying pressure on BitUSD.  This will reduce the demand for shorts that are only "long-term" bullish and cause them to be more "medium term" speculators.   If you want to go "long term short" then you will have to cover and re-short monthly.   You maximize your profits by covering and re-shorting when there is the greatest deviation from the peg.

This is in line with traditional financial instruments such as futures contracts that always have a maturity date.   

Older shorts entered before this hard fork will be grandfathered in with a 1 year deadline.   

This also provides liquidity from shorts that have lost their keys and are unable to cover and forces shorts that are losing ground to "re-up" their collateral.

Will the GUI clearly provide the time to covering in our list of open shorts?

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483
General Discussion / The Bitshares game haha
« on: September 26, 2014, 06:36:47 pm »
I'd like to draw the community to an important project at Nxt: https://nxtforum.org/index.php?topic=5588.0

Worth a nice laugh if nothing else. Maybe we should sic tonyk on them...

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484
General Discussion / Re: An open letter to Tonyk
« on: September 26, 2014, 06:25:45 pm »
I had a little laugh trying to imagine tonyk believing anybody to be a "precious gem."

I would also love it if tonyk would try to moderate his brash, abrasive style. However, I have to remind myself that he's the only one who can control his own reputation and if he wants to be a loudmouthed fighter, so be it. The reality is that he's not dumb, his opinions do usually have solid merit, and he seems to be here for the same reasons as the rest of us.

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485
General Discussion / Re: Manual market making, worth it?
« on: September 26, 2014, 12:36:35 am »
I personally find manual trading on the BTSX platform+BTER+BTC38 while reading this forum quite entertaining, if nothing else. Plus you do not need any high amount of profit as it is your free time reading about the stuff you like anyway....

If the question is about 'market making', I would leave this job to the automated systems...

Yeah good point, it's an excellent feeling to manually pull the trigger on a nice fat arbitrage.

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486
General Discussion / Re: Add BitNXT?
« on: September 26, 2014, 12:28:40 am »

...If you are allin on btsx or whatever, then you don't want to divest into bitNXT.  You are exposed to btsx issues without owning NXT...


I agreed with you at first, but then I thought, "Isn't that true of any BitAsset?". I suppose there is the fact the BitShares ecosystem and NXT are in relatively close competition, so we could have one failing whilst the other succeeds. Then you'd be absolutely correct!


On the other hand, some may believe that BTSX will continue to work well (and want to support the DAC), but also fancy hedging with NXT. Some may even fancy a small bet on the possibilty of NXT outperforming BTSX!

Part of me thinks "what could the harm possibly be in more bitAssets sooner?" But it does cost the delegates transaction fees to publish feeds. Am I right in thinking that if there are 101 trades per average delegate feed publishing period, that on average the delegates would make money? Should be a pretty simple analysis.

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487
General Discussion / Re: I thought 0.4.17 fixed the short-matching bug?
« on: September 25, 2014, 08:57:32 pm »
I think there's a new bug... It matches against a short if there's a tiny ask for it to partially match against first

Delightful.

488
General Discussion / Re: I thought 0.4.17 fixed the short-matching bug?
« on: September 25, 2014, 08:51:49 pm »
Does nobody else see the bid overlapping with the short wall?

489
General Discussion / Re: I thought 0.4.17 fixed the short-matching bug?
« on: September 25, 2014, 08:50:32 pm »

None of this explains why my bids weren't matching the short wall.
agree! it does not.

Try again I have some bitBTC for sale right now.


My bid just went in above the short price, highest collateralization is 30,000. Apparently not matching.
13,495.28 will not cut it... try something >= 13,510
[edit] you are on 0.4.17 right?

But I don't want to match the ask, I want to match the short.

Yeah, 0.4.17.

the ask has a better price... so you will have to wait somebody to buy it first...

My GUI was (and is? this new update isn't terribly self-explanatory) showing the short wall at the top of the order book. My bid should have matched a short, as should the new bid someone entered for 1 bitBTC.

490
General Discussion / Re: I thought 0.4.17 fixed the short-matching bug?
« on: September 25, 2014, 08:38:25 pm »

None of this explains why my bids weren't matching the short wall.
agree! it does not.

Try again I have some bitBTC for sale right now.


My bid just went in above the short price, highest collateralization is 30,000. Apparently not matching.
13,495.28 will not cut it... try something >= 13,510
[edit] you are on 0.4.17 right?

But I don't want to match the ask, I want to match the short.

Yeah, 0.4.17.

491
General Discussion / Re: I thought 0.4.17 fixed the short-matching bug?
« on: September 25, 2014, 08:33:27 pm »

None of this explains why my bids weren't matching the short wall.
agree! it does not.

Try again I have some bitBTC for sale right now.

My bid just went in above the short price, highest collateralization is 30,000. Apparently not matching.

492
General Discussion / Re: I thought 0.4.17 fixed the short-matching bug?
« on: September 25, 2014, 08:25:32 pm »
Hmm... What range are you talking about? Is it a range of valid collateralization? I wonder if that could be it. The top short has a collateral ratio of 20,000 BTSX/BitBTC, but 1.5x13,518 is greater than 20,000. So that would mean that every short in the order book is currently invalid until the price of BTC falls a little more.

I think this 20,000 BTSX/BitBTC is just the collateral that person trying to open a short position provides (i.e. does not include the proceeds of the bitBTC sell), partly because the sell price is unknown...

Is there a lower bound on the allowable collateral? so if the price is 13,333, could you short at anything less than 20,000?
@ 13,333 the min will be 13333 BTSX

Ah, because the sale proceeds are 13,333 and those are also held as collateral, so you have 200% collateral after the sale. Thanks.

None of this explains why my bids weren't matching the short wall.

493
General Discussion / Re: I thought 0.4.17 fixed the short-matching bug?
« on: September 25, 2014, 08:21:51 pm »
Hmm... What range are you talking about? Is it a range of valid collateralization? I wonder if that could be it. The top short has a collateral ratio of 20,000 BTSX/BitBTC, but 1.5x13,518 is greater than 20,000. So that would mean that every short in the order book is currently invalid until the price of BTC falls a little more.

I think this 20,000 BTSX/BitBTC is just the collateral that person trying to open a short position provides (i.e. does not include the proceeds of the bitBTC sell), partly because the sell price is unknown...

Is there a lower bound on the allowable collateral? so if the price is 13,333, could you short at anything less than 20,000?

494
General Discussion / Re: I thought 0.4.17 fixed the short-matching bug?
« on: September 25, 2014, 05:51:29 pm »
Hmm... What range are you talking about? Is it a range of valid collateralization? I wonder if that could be it. The top short has a collateral ratio of 20,000 BTSX/BitBTC, but 1.5x13,518 is greater than 20,000. So that would mean that every short in the order book is currently invalid until the price of BTC falls a little more.

495
General Discussion / I thought 0.4.17 fixed the short-matching bug?
« on: September 25, 2014, 05:37:26 pm »
In BitBTC market, I have a small bid in at 13,531.7999, and the short wall is at the top of the order book at 13,531.7997. Why is my bid not matching the shorts? And why is the short wall above the feed price of 13,518.9942?

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