3.0.0-preview.1

[DaveSkender]

We’ve released a new partial preview release Stock Indicators for .NET NuGet package.
See Skender.Stock.Indicators @ NuGet.org for more information.

Warning

Preview releases are experimental and volatile with breaking changes and conventions.

Note

There will be a series of preview releases that implement streaming use cases. We expect possibly 2-3 additional preview pre-releases before we make an official stable v3 package.

• see feat: Incremental & streaming quotes, v3.0.0 #1014 for overall v3 progress

What's Changed

• refactor streaming approach to include a Hub base approach that is a fully chainable observable/observer.
• streaming preview: initial baseline by @DaveSkender in streaming preview: initial baseline #824
• feat: Full chain streaming prototypes by @DaveSkender in feat: Full chain streaming prototypes #1092
  • QuoteHub (base provider)
  • AdlHub
  • AtrHub
  • AtrStop
  • EmaHub
  • SmaHub
  • AlligatorHub
  • RenkoHub
  • UseHub (QuotePart)
• feat: Buffer-style ADX incremental by @DaveSkender in feat: Buffer-style ADX incremental #1271
  • EmaList
  • AdxList
• ci: Add .NET 9 build actions by @DaveSkender in ci: Add .NET 9 build actions #1275
• feat: Max cache size for StreamHub by @DaveSkender in feat: Max cache size for StreamHub #1290

Full Changelog: 2.6.0...3.0.0-preview.1

note: I've reset the preview numbering for v3, so these will increment normally from .1 hereafter, until full release.

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This discussion was created from the release 3.0.0-preview.1.

[DaveSkender]

I'll follow-up soon with more examples. Here's a few quick examples:

Streaming hubs

// prerequisite: `quotes`

// setup quote provider
QuoteHub<Quote> provider = new();

// prefill quotes to provider
for (int i = 0; i < 20; i++)
{
    provider.Add(quotes[i]);
}

// initialize observer to 
// auto-generate real-time indicators
EmaHub<Quote> emaHub = provider.ToEma(14);

// adding more quotes to provider
for (int i = 20; i < length; i++)
{
    provider.Add(quotesList[i]);
}

// indicator results
IReadOnlyList<EmaResult> emaResults = emaHub.Results;

// observer can be further chained
// to create other indicator hubs
var smaHub = emaHub.ToSma(3);

Buffered lists

var emaList = new EmaList(14);

// add quotes
emaList.Add(quote[i]);

// the list itself is the results
var results = emaList;