Virtual Trading

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It comes packed with new features and the opportunity to play with other registered users using the Trading Simulator. Register now and take your first step into the financial world. If you would like the answers to the most commonly asked questions about the Portfolio, please click on the "Help" section when you access the service to find out more.

You can use our alerts service to keep in touch with price movements, news stories and changes to your virtual traders. See the Alerts FAQs. A number of popular features from the old version of Portfolio, which were virtual traders from the version released in are being reintroduced. In addition,some brand new features are being introduced.

Check all virtual traders updates. Please note that a new virtual traders of Portfolio is available, and from the 29th of March onwards the old version of Portfolio has been discontinued. Virtual traders data was migrated to the new version on the 19th of Marchso changes made to your Portfolio in the old version between the 19th and 29th of March will not be reflected in the new version.

If you have not made any virtual traders since this date, then your Portfolio will be up to date. Please check your Portfiolio, and if you have any questions about this, contact us at portfolio londonstockexchange.

Virtual traders Exchange accepts no responsibility for the content of the website you are now accessing or for any reliance placed by you or any person on the virtual traders contained on it. By allowing this link the Exchange does not intend in any country, directly or indirectly, to solicit business or offer any securities to any person. The Exchange accepts no responsibility for the content of the reports you are now accessing or for any reliance virtual traders by you or any person on the information contained virtual traders.

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Virtual bidding is a strategy implemented in various Independent System Operator electricity markets of trading Day-Ahead prices against Real-Time or Hour-Ahead prices. The term "bid" can be used loosely in electricity markets to refer to an offer to buy or to sell. And the term "virtual" is used to refer to the fact that, while these trades occur in a physical market, virtual trades never entail taking a physical position—because every sell or buy Day Ahead will be closed by a buy or sell in Real Time.

The ISO maintains a trade execution system that ensures all virtual positions will be closed before delivery time.

A virtual bidding platform gives financial entities a way to participate in these physical markets, with no physical assets or presence on the grid. They can attempt to capitalize on regular divergences between these markets of different time period for the same underlying perhaps using time, absolute price levels, or other external variables as conditioning factors.

If this strategy of trading one time period against another without the intent or perhaps even the ability to deliver or receive physical power is implemented outside of a transaction system that identifies virtual bids and ensures they will be closed, it may be referred to as "implicit" virtual bidding.

Virtual positions are included in the same simultaneous feasibility tests and price determination processes as real positions. Thus they can serve to reduce inefficiencies in the market. Virtual bidding is a form of speculation not dissimilar to futures trading in the other commodity markets. Virtual bidding is the buying and selling of electricity without ever physically producing or consuming it.

Instead all trades are offset in a subsequent market thus preventing physical delivery. There are a number of differences between virtual bidding and traditional commodity markets. Prominent amongst these are that virtual bidding occurs in electricity markets that are discrete, whereas most commodity markets allow for continuous trading. In addition virtual bidding usually occurs for very short time horizons, usually between the day-ahead market and the real-time market.

There is no reason why it should not occur in different electricity markets. For example, buying and selling monthly contracts for a common delivery point such as the California-Oregon Border COB without ever taking physical delivery is extremely similar to virtual trading, although in this latter case the product is not explicitly identified as a virtual product.

Identifying virtual trades explicitly occurs in all the organized Independent System Operator -type markets and confers the benefit of not co-mingling truly physical bids with financial bids. This clear delineation prevents the financial act of speculation from unduly affecting the reliability of the electric system.

Virtual bidding is implemented for a number of reasons, not the least of which is the fact that in its absence there is a tendency for implicit virtual bidding to occur, and the presence of this practice tends to create difficulties for grid operators.

There are many benefits of virtual bidding besides the fact that its presence creates an appropriate avenue for arbitrage and in essence assists reliability. The most commonly identified benefits are as follows:. Often generators reside in load pockets where physical competition is constrained due to insufficient transmission. Virtual bidding allows virtual traders to compete to supply power within the constrained area.

For this benefit to exist the type of virtual bidding must allow bid submission at the nodal level or at the constrained area level. Load is often large enough to influence the market outcome by varying the quantity they bid into the DA market. Virtual bidding mitigates this power by allowing other market participants to simply bid in the load that was under-scheduled.

The mitigation of supplier generators market power is commonly accepted but less well documented. For suppliers to exercise market power they would need to withhold generation in the Day-Ahead market DAM. This is more difficult in the presence of virtual bidding as virtual traders can submit virtual supply to compete away this withholding practice.

The improvements to market efficiency emerge as the prices in the DA and RT markets tend to converge. This makes pricing less volatile and this decrease, albeit small, is the benefit.

Prices will not converge completely as there will still be stochastic differences that were not foreseen between DA and RT, but the narrowing of the price spread leads to greater predictability. The purported benefits of virtual bidding have resulted in it spreading to new ISOs over time. There remain some risks though. The principal risk is that virtual trades will be used to leverage positions in other markets, such as the Financial Transmission Rights market.

To prevent this some markets have implemented specific rules to prevent this sort of gaming. The ability to insert virtual bids is usually controlled by the host market, and requires specific registration due to the differing characteristics between virtual bids and physical bids. The submission method is generally similar across Independent System Operators.

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