玩股撇步(動畫小學堂)  

  • 收帳和銷貨天數如果一直上升, 就要當心了!
  • 存貨在不同時期有不同的意義, 像是滯銷, 或是因為報價回升而屯貨, 或是積極備料, 這都需要去看存貨細項和判斷當時的情況來分辨
  • 當存貨增加時, 還需要注意增加的是不是商品或製成品. 如果是在製品或原物料, 反而有可能是供給不順沒法變製成品又或者是需求旺盛(短期營收趨勢向上)
  • 處在景氣下行的公司當存貨細項-原料和在製品的回升可能代表訂單開始回溫了
  • 當記憶體模組廠, 像是威剛、十銓存貨增加時, 有可能是在增加低價庫存, 代表著景氣循環來到相對低點, 也許就是建立部位的好時機
  • 當存貨提列減損損失,虧損認列在該年度,但是存貨價格回升後,之後年度也會直接回沖增加EPS,這種情況很容易在記憶體模組廠見到
  • 存貨一直增加,但是存貨銷售比沒什麼改變,可以推測是公司因為銷售良好而準備的存貨
  • 當淨營業週期(日)接近於0, 代表公司好像在做無本生意
平均收帳天數和平均銷貨天數-近20季
存貨銷售比
近3年股價
應收帳款周轉率 QoQ YoY存貨周轉率 QoQ YoY平均收帳天數 QoQ YoY平圴銷貨天數 QoQ YoY應付帳款付現天數 QoQ YoY淨營業週期(日) QoQ YoY
24Q3 (20)1.546.94-0.651.9220.010.3459.14-6.50.8547.44-16.71-9.3648.072.349.9258.51-20.11-13.0
24Q2 (19)1.445.11-4.01.602.567.3863.25-5.044.3456.96-2.6-6.9746.97-1.577.8373.24-5.34-6.45
24Q1 (18)1.37-0.724.581.56-6.5920.066.611.29-4.4158.487.07-16.7447.720.42-2.7777.376.19-14.82
23Q4 (17)1.38-10.971.471.67-4.0222.7965.7612.14-1.8454.624.36-18.1847.528.670.072.868.34-15.51
23Q3 (16)1.553.3316.541.7416.7822.5458.64-3.27-14.2652.34-14.52-18.0543.730.39-5.2467.25-14.1-21.9
23Q2 (15)1.5014.511.941.4914.62-14.8660.62-13.0-10.5461.23-12.8317.9143.56-11.255.1778.29-13.810.03
23Q1 (14)1.31-3.68-10.881.30-4.41-40.0969.684.0212.970.245.2167.7649.083.2835.2890.835.3334.92
22Q4 (13)1.362.26-5.561.36-4.23-37.0466.99-2.056.3266.764.5258.7647.522.9723.4986.230.1429.51
22Q3 (12)1.33-0.75-3.621.42-18.86-37.9968.390.933.9563.8722.9961.0446.1511.4215.8486.1110.0231.23
22Q2 (11)1.34-8.84-4.961.75-19.35-31.3767.769.795.2851.9324.0345.6341.4214.176.8978.2716.2727.77
22Q1 (10)1.472.081.382.170.46-17.1861.72-2.05-1.7741.87-0.4320.736.28-5.72-5.1867.321.1113.62
21Q4 (9)1.444.352.132.16-5.68-19.763.01-4.23-2.1642.056.0324.4838.48-3.41-1.9466.581.4612.96
21Q3 (8)1.38-2.13-8.612.29-10.2-11.5865.792.229.2339.6611.2212.7339.842.8110.6165.627.1210.49
21Q2 (7)1.41-2.763.682.55-2.6734.2164.362.44-3.7435.662.8-25.5438.751.28-6.9961.263.39-16.17
21Q1 (6)1.452.8422.882.62-2.655.0362.83-2.44-18.2534.692.69-35.7638.26-2.5-21.6559.250.53-27.76
20Q4 (5)1.41-6.6212.82.693.8632.5164.406.92-11.4333.78-3.98-24.4639.248.94-5.1958.94-0.76-22.49
20Q3 (4)1.5111.030.02.5936.320.060.23-9.920.035.18-26.540.036.02-13.540.059.39-18.730.0
20Q2 (3)1.3615.250.01.9012.430.066.86-13.010.047.89-11.310.041.66-14.680.073.08-10.90.0
20Q1 (2)1.18-5.60.01.69-16.750.076.865.710.054.0020.750.048.8317.980.082.027.860.0
19Q4 (1)1.250.00.02.030.00.072.710.00.044.720.00.041.390.00.076.040.00.0
平均收帳天數和平均銷貨天數-近10年
應收帳款周轉率 YoY存貨周轉率 YoY平均收帳天數 YoY平圴銷貨天數 YoY應付帳款付現天數 YoY淨營業週期(日) YoY
2023 (10)5.34-12.176.01-20.1968.3413.8260.7725.4347.2422.781.8616.94
2022 (9)6.08-3.957.53-27.9460.044.1348.4538.7138.5013.7470.0019.17
2021 (8)6.3316.3610.4511.1757.66-14.1134.93-10.0233.85-14.0258.74-11.78
2020 (7)5.448.89.4023.267.13-8.038.82-18.9139.37-6.7166.58-15.32
2019 (6)5.00-13.047.63-10.5572.9714.9547.8711.942.2017.8478.6311.61
2018 (5)5.75-0.528.53-10.2163.480.5942.7811.3835.812.8470.455.62
2017 (4)5.78-0.349.50-7.4163.110.3338.418.0134.824.9466.702.18
2016 (3)5.80-1.8610.261.3862.901.8135.56-1.4433.183.9865.28-1.0
2015 (2)5.910.5110.12-3.4461.78-0.5236.083.6231.91-4.9765.944.1
2014 (1)5.88-5.0110.48-7.5862.105.2934.828.1733.58-0.3363.3410.19

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